353
FPCA52 TJSJ 182102
ZFPPR

Zone Forecast for Puerto Rico and the U.S. Virgin Islands
National Weather Service San Juan PR
501 PM AST Thu Sep 18 2025

PRZ001-190800-
San Juan and Vicinity-
Including the municipalities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
501 PM AST Thu Sep 18 2025

.TONIGHT...Variably cloudy with scattered showers with isolated
thunderstorms. Lows around 83. Southeast winds 5 to 10 mph.
Chance of rain 50 percent.
.FRIDAY...Partly cloudy with scattered showers in the morning,
then cloudy with numerous showers with isolated thunderstorms in
the afternoon. Highs around 93. Temperature falling in the
afternoon. Southeast winds 5 to 10 mph. Chance of rain
70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening then clearing.
Numerous showers with isolated thunderstorms. Lows around 83.
South winds 5 to 10 mph. Chance of rain 70 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then cloudy with showers with isolated thunderstorms in the
afternoon. Highs around 91. Temperature falling in the afternoon.
Southeast winds 5 to 10 mph. Chance of rain 80 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening, then becoming
variably cloudy. Isolated thunderstorms in the evening. Scattered
showers. Lows around 83. Southeast winds around 5 mph. Chance of
rain 50 percent.
.SUNDAY...Partly cloudy with isolated showers. Highs around 91.
Temperature falling in the afternoon. Chance of rain 20 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain less than 20 percent.
.TUESDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 60 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.WEDNESDAY...Variably cloudy in the morning, then becoming
cloudy. Isolated thunderstorms. Scattered showers in the morning,
then numerous showers in the afternoon. Highs around 92.
Temperature falling in the afternoon. Chance of rain 70 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Mostly cloudy with numerous showers with isolated
thunderstorms. Highs around 91. Temperature falling in the
afternoon. Chance of rain 60 percent.

$$

PRZ002-190800-
Northeast-
Including the municipalities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
501 PM AST Thu Sep 18 2025

.TONIGHT...Cloudy with numerous showers with isolated
thunderstorms. Lows around 83. Southeast winds 5 to 10 mph.
Chance of rain 70 percent.
.FRIDAY...Variably cloudy with scattered showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 93. Southeast winds
5 to 10 mph. Chance of rain 70 percent.
.FRIDAY NIGHT...Cloudy in the evening then clearing. Numerous
showers with isolated thunderstorms. Lows around 83. Southeast
winds 5 to 10 mph. Chance of rain 70 percent.
.SATURDAY...Variably cloudy with scattered showers in the
morning, then cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 5 to 10 mph. Chance of
rain 70 percent.
.SATURDAY NIGHT...Isolated thunderstorms in the evening. Variably
cloudy with scattered showers. Lows around 83. Southeast winds
5 to 10 mph. Chance of rain 50 percent.
.SUNDAY...Variably cloudy with scattered showers in the morning,
then partly cloudy with isolated showers in the afternoon. Highs
around 92. Temperature falling in the afternoon. Chance of rain
40 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.MONDAY...Variably cloudy with scattered showers. Isolated
thunderstorms in the afternoon. Highs around 92. Chance of rain
50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.TUESDAY...Variably cloudy with scattered showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Chance of rain
60 percent.
.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.WEDNESDAY...Mostly cloudy with numerous showers with isolated
thunderstorms. Highs around 92. Temperature falling in the
afternoon. Chance of rain 70 percent.
.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.THURSDAY...Mostly cloudy with isolated thunderstorms. Numerous
showers, mainly in the morning. Highs around 90. Temperature
falling in the afternoon. Chance of rain 60 percent.

$$

PRZ003-190800-
Southeast-
Including the municipalities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
501 PM AST Thu Sep 18 2025

.TONIGHT...Variably cloudy this evening, then becoming cloudy.
Isolated thunderstorms. Scattered showers this evening, then
numerous showers after midnight. Lows around 83. East winds 5 to
10 mph. Chance of rain 70 percent.
.FRIDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Scattered showers. Isolated thunderstorms in the
afternoon. Highs around 91. Temperature falling in the afternoon.
Southeast winds 5 to 10 mph. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
variably cloudy. Isolated thunderstorms. Numerous showers, mainly
in the evening. Lows around 83. East winds around 5 mph. Chance
of rain 70 percent.
.SATURDAY...Variably cloudy with scattered showers in the
morning, then partly cloudy with isolated showers in the
afternoon. Highs around 91. Temperature falling in the afternoon.
Southeast winds 5 to 10 mph. Chance of rain 30 percent.
.SATURDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. East winds around 5 mph. Chance of rain 20 percent.
.SUNDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 91. Temperature falling in the afternoon. Chance of
rain 40 percent.
.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.TUESDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.WEDNESDAY...Variably cloudy in the morning, then becoming
cloudy. Isolated thunderstorms. Scattered showers in the morning,
then numerous showers in the afternoon. Highs around 91.
Temperature falling in the afternoon. Chance of rain 70 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Isolated thunderstorms. Scattered showers in the morning,
then numerous showers in the afternoon. Highs around 90.
Temperature falling in the afternoon. Chance of rain 60 percent.

$$

PRZ004-190800-
Eastern Interior-
Including the municipalities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
501 PM AST Thu Sep 18 2025

.TONIGHT...Variably cloudy, then becoming mostly cloudy after
midnight, then becoming variably cloudy. Scattered showers with
isolated thunderstorms. Lows around 77. Southeast winds around
5 mph. Chance of rain 50 percent.
.FRIDAY...Variably cloudy with scattered showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 93. Temperature
falling in the afternoon. Southeast winds 5 to 10 mph. Chance of
rain 70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening then clearing.
Isolated thunderstorms. Numerous showers, mainly in the evening.
Lows around 76. Southeast winds around 5 mph. Chance of rain
70 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 5 to 10 mph. Chance of
rain 50 percent.
.SATURDAY NIGHT...Variably cloudy with scattered showers in the
evening, then partly cloudy with isolated showers after midnight.
Lows around 77. Southeast winds around 5 mph. Chance of rain
50 percent.
.SUNDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 40 percent.
.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows around
76. Chance of rain 20 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 93. Temperature
falling in the afternoon. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
77. Chance of rain 20 percent.
.TUESDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 60 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
77. Chance of rain 20 percent.
.WEDNESDAY...Variably cloudy in the morning, then becoming
cloudy. Isolated thunderstorms. Scattered showers in the morning,
then numerous showers in the afternoon. Highs around 92.
Temperature falling in the afternoon. Chance of rain 70 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 77. Chance of rain 20 percent.
.THURSDAY...Mostly cloudy with isolated thunderstorms. Scattered
showers in the morning, then numerous showers in the afternoon.
Highs around 90. Temperature falling in the afternoon. Chance of
rain 60 percent.

$$

PRZ005-190800-
North Central-
Including the municipalities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
501 PM AST Thu Sep 18 2025

.TONIGHT...Partly cloudy with isolated showers. Lows around 83.
Southeast winds 5 to 10 mph. Chance of rain 20 percent.
.FRIDAY...Partly cloudy with scattered showers in the morning,
then cloudy with showers with isolated thunderstorms in the
afternoon. Highs around 93. Temperature falling in the afternoon.
East winds 5 to 10 mph. Chance of rain 90 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. South winds around 5 mph. Chance of rain 20 percent.
.SATURDAY...Partly cloudy in the morning, then cloudy with
showers with isolated thunderstorms in the afternoon. Highs
around 92. East winds 5 to 10 mph. Chance of rain 80 percent.
.SATURDAY NIGHT...Mostly cloudy with numerous showers with
isolated thunderstorms in the evening, then variably cloudy with
scattered showers after midnight. Lows around 83. Southeast winds
around 5 mph. Chance of rain 70 percent.
.SUNDAY...Mostly sunny with isolated showers in the morning, then
variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 93. Temperature
falling in the afternoon. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.TUESDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 70 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain less than 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers in the morning,
then cloudy with numerous showers with isolated thunderstorms in
the afternoon. Highs around 92. Temperature falling in the
afternoon. Chance of rain 70 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Isolated thunderstorms. Scattered showers in the morning,
then numerous showers in the afternoon. Highs around 92.
Temperature falling in the afternoon. Chance of rain 70 percent.

$$

PRZ006-190800-
Central Interior-
Including the municipalities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
501 PM AST Thu Sep 18 2025

.TONIGHT...Partly cloudy with isolated showers. Lows around 76.
Southeast winds around 5 mph. Chance of rain 20 percent.
.FRIDAY...Partly cloudy with scattered showers in the morning,
then mostly cloudy with showers with isolated thunderstorms in
the afternoon. Highs around 91. Temperature falling in the
afternoon. Southeast winds 5 to 10 mph. Chance of rain
90 percent.
.FRIDAY NIGHT...Partly cloudy with scattered showers. Lows around
75. Southeast winds around 5 mph. Chance of rain 50 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 91. Temperature
falling in the afternoon. Southeast winds around 5 mph. Chance of
rain 50 percent.
.SATURDAY NIGHT...Mostly cloudy with scattered showers with
isolated thunderstorms in the evening, then partly cloudy with
isolated showers after midnight. Lows around 75. Southeast winds
around 5 mph. Chance of rain 50 percent.
.SUNDAY...Sunny in the morning, then mostly cloudy with scattered
showers with isolated thunderstorms in the afternoon. Highs
around 90. Temperature falling in the afternoon. Chance of rain
50 percent.
.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows around
75. Chance of rain 20 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 91. Temperature
falling in the afternoon. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
76. Chance of rain less than 20 percent.
.TUESDAY...Mostly sunny in the morning, then mostly cloudy with
numerous showers with isolated thunderstorms in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 70 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
76. Chance of rain less than 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers in the morning,
then cloudy with showers with isolated thunderstorms in the
afternoon. Highs around 90. Chance of rain 80 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 77. Chance of rain 20 percent.
.THURSDAY...Variably cloudy with scattered showers in the
morning, then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 89. Temperature
falling in the afternoon. Chance of rain 70 percent.

$$

PRZ007-190800-
Ponce and Vicinity-
Including the municipalities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
501 PM AST Thu Sep 18 2025

.TONIGHT...Partly cloudy with isolated showers. Lows around 83.
East winds 5 to 10 mph. Chance of rain 20 percent.
.FRIDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 93. Temperature
falling in the afternoon. Southeast winds 5 to 10 mph with gusts
up to 20 mph. Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy. Isolated showers in the evening,
then scattered showers after midnight. Lows around 83. East winds
around 5 mph. Chance of rain 40 percent.
.SATURDAY...Partly cloudy with isolated showers. Highs around 92.
Temperature falling in the afternoon. Southeast winds 5 to
10 mph. Chance of rain 20 percent.
.SATURDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. East winds around 5 mph. Chance of rain 20 percent.
.SUNDAY...Sunny in the morning, then variably cloudy with
scattered showers with isolated thunderstorms in the afternoon.
Highs around 92. Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 93. Temperature
falling in the afternoon. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.TUESDAY...Mostly sunny in the morning, then mostly cloudy with
scattered showers with isolated thunderstorms in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 50 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain less than 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 70 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 70 percent.

$$

PRZ008-190800-
Northwest-
Including the municipalities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
501 PM AST Thu Sep 18 2025

.TONIGHT...Partly cloudy. Lows around 83. Southeast winds around
5 mph.
.FRIDAY...Partly cloudy with scattered showers in the morning,
then cloudy with showers with isolated thunderstorms in the
afternoon. Highs around 93. Temperature falling in the afternoon.
Southeast winds around 5 mph, becoming northeast in the
afternoon. Chance of rain 90 percent.
.FRIDAY NIGHT...Clear. Lows around 83. Southeast winds around
5 mph.
.SATURDAY...Partly cloudy in the morning, then cloudy with
showers with isolated thunderstorms in the afternoon. Highs
around 92. Temperature falling in the afternoon. Southeast winds
around 5 mph, becoming north in the afternoon. Chance of rain
80 percent.
.SATURDAY NIGHT...Mostly cloudy with numerous showers with
isolated thunderstorms in the evening, then variably cloudy with
scattered showers after midnight. Lows around 83. Southeast winds
5 to 10 mph. Chance of rain 70 percent.
.SUNDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy. Lows around 83.
.MONDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 93. Temperature
falling in the afternoon. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.TUESDAY...Mostly sunny in the morning, then mostly cloudy with
numerous showers with isolated thunderstorms in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 70 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain less than 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers in the morning,
then cloudy with numerous showers with isolated thunderstorms in
the afternoon. Highs around 92. Temperature falling in the
afternoon. Chance of rain 70 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 70 percent.

$$

PRZ009-190800-
Western Interior-
Including the municipalities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
501 PM AST Thu Sep 18 2025

.TONIGHT...Partly cloudy. Lows around 76. Southeast winds around
5 mph.
.FRIDAY...Partly cloudy with scattered showers in the morning,
then cloudy with showers with isolated thunderstorms in the
afternoon. Highs around 93. Temperature falling in the afternoon.
Southeast winds around 5 mph. Gusts up to 20 mph in the
afternoon. Chance of rain 90 percent.
.FRIDAY NIGHT...Clear. Isolated showers after midnight. Lows
around 76. Southeast winds around 5 mph. Chance of rain
20 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds around 5 mph. Chance of
rain 70 percent.
.SATURDAY NIGHT...Variably cloudy with scattered showers with
isolated thunderstorms in the evening, then partly cloudy with
isolated showers after midnight. Lows around 77. Southeast winds
around 5 mph. Chance of rain 50 percent.
.SUNDAY...Sunny in the morning, then mostly cloudy with numerous
showers with isolated thunderstorms in the afternoon. Highs
around 93. Temperature falling in the afternoon. Chance of rain
60 percent.
.SUNDAY NIGHT...Clear. Lows around 75.
.MONDAY...Mostly sunny in the morning, then mostly cloudy with
numerous showers with isolated thunderstorms in the afternoon.
Highs around 93. Temperature falling in the afternoon. Chance of
rain 60 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
76. Chance of rain 20 percent.
.TUESDAY...Mostly sunny in the morning, then cloudy with numerous
showers with isolated thunderstorms in the afternoon. Highs
around 92. Chance of rain 70 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
76. Chance of rain less than 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers in the morning,
then cloudy with showers with isolated thunderstorms in the
afternoon. Highs around 92. Temperature falling in the afternoon.
Chance of rain 80 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 77. Chance of rain 20 percent.
.THURSDAY...Partly cloudy with isolated showers in the morning,
then cloudy with numerous showers with isolated thunderstorms in
the afternoon. Highs around 92. Chance of rain 70 percent.

$$

PRZ010-190800-
Mayaguez and Vicinity-
Including the municipalities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
501 PM AST Thu Sep 18 2025

.TONIGHT...Partly cloudy with isolated showers. Lows around 83.
East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain
20 percent.
.FRIDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with showers with isolated thunderstorms in
the afternoon. Highs around 93. Temperature falling in the
afternoon. Southeast winds 5 to 10 mph. Chance of rain
90 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
clear. Isolated showers. Lows around 83. East winds 5 to 10 mph.
Chance of rain 20 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 5 to 10 mph. Chance of
rain 70 percent.
.SATURDAY NIGHT...Variably cloudy with scattered showers with
isolated thunderstorms in the evening, then partly cloudy with
isolated showers after midnight. Lows around 83. East winds 5 to
10 mph. Chance of rain 50 percent.
.SUNDAY...Sunny in the morning, then variably cloudy with
scattered showers with isolated thunderstorms in the afternoon.
Highs around 93. Chance of rain 50 percent.
.SUNDAY NIGHT...Clear. Lows around 83.
.MONDAY...Mostly sunny in the morning, then mostly cloudy with
scattered showers with isolated thunderstorms in the afternoon.
Highs around 93. Temperature falling in the afternoon. Chance of
rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.TUESDAY...Mostly sunny in the morning, then mostly cloudy with
numerous showers with isolated thunderstorms in the afternoon.
Highs around 92. Chance of rain 70 percent.
.TUESDAY NIGHT...Clear. Lows around 83.
.WEDNESDAY...Partly cloudy in the morning, then cloudy with
numerous showers with isolated thunderstorms in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 70 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 70 percent.

$$

PRZ011-190800-
Southwest-
Including the municipalities of Cabo Rojo, Guanica, and Lajas
501 PM AST Thu Sep 18 2025

.TONIGHT...Partly cloudy with isolated showers. Lows around 83.
East winds 10 to 15 mph. Chance of rain 20 percent.
.FRIDAY...Partly cloudy. Isolated showers in the morning, then
scattered showers in the afternoon. Highs around 93. Southeast
winds 10 to 15 mph with gusts up to 25 mph. Chance of rain
50 percent.
.FRIDAY NIGHT...Partly cloudy. Scattered showers after midnight.
Lows around 83. East winds 5 to 10 mph. Chance of rain
30 percent.
.SATURDAY...Partly cloudy with isolated showers. Highs around 92.
Southeast winds 5 to 10 mph. Chance of rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. Isolated showers in the evening.
Lows around 83. East winds 5 to 10 mph. Chance of rain
20 percent.
.SUNDAY...Sunny in the morning, then partly cloudy with isolated
showers in the afternoon. Highs around 93. Chance of rain
20 percent.
.SUNDAY NIGHT...Clear. Lows around 83.
.MONDAY...Mostly sunny in the morning, then variably cloudy with
scattered showers in the afternoon. Highs around 93. Temperature
falling in the afternoon. Chance of rain 40 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.TUESDAY...Mostly sunny in the morning, then variably cloudy with
scattered showers in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.TUESDAY NIGHT...Clear. Lows around 83.
.WEDNESDAY...Breezy. Partly cloudy in the morning, then mostly
cloudy with numerous showers with isolated thunderstorms in the
afternoon. Highs around 92. Chance of rain 70 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.

$$

PRZ012-190800-
Culebra-
501 PM AST Thu Sep 18 2025

.TONIGHT...Cloudy with numerous showers with isolated
thunderstorms. Lows around 83. East winds 10 to 15 mph. Chance of
rain 70 percent.
.FRIDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Numerous showers with isolated thunderstorms. Highs
around 93. Temperature falling in the afternoon. Southeast winds
5 to 10 mph. Chance of rain 70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
variably cloudy. Isolated thunderstorms in the evening. Scattered
showers. Lows around 83. Southeast winds 5 to 10 mph. Chance of
rain 50 percent.
.SATURDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Scattered showers. Isolated thunderstorms in the
afternoon. Highs around 92. Southeast winds 5 to 10 mph. Chance
of rain 50 percent.
.SATURDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
30 percent.
.SUNDAY...Variably cloudy with scattered showers in the morning,
then partly cloudy with isolated showers in the afternoon. Highs
around 93. Chance of rain 30 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.MONDAY...Variably cloudy with scattered showers. Highs around
93. Temperature falling in the afternoon. Chance of rain
30 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.TUESDAY...Variably cloudy with scattered showers. Isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.TUESDAY NIGHT...Breezy. Variably cloudy with scattered showers.
Lows around 83. Chance of rain 30 percent.
.WEDNESDAY...Breezy. Mostly cloudy with numerous showers with
isolated thunderstorms. Highs around 92. Chance of rain
60 percent.
.WEDNESDAY NIGHT...Breezy. Mostly cloudy with scattered showers
with isolated thunderstorms. Lows around 83. Chance of rain
50 percent.
.THURSDAY...Breezy. Mostly cloudy with isolated thunderstorms.
Numerous showers, mainly in the morning. Highs around 92. Chance
of rain 60 percent.

$$

PRZ013-190800-
Vieques-
501 PM AST Thu Sep 18 2025

.TONIGHT...Cloudy with numerous showers with isolated
thunderstorms. Lows around 83. Southeast winds 10 to 15 mph.
Chance of rain 70 percent.
.FRIDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Numerous showers with isolated thunderstorms. Highs
around 92. Temperature falling in the afternoon. Southeast winds
5 to 10 mph. Chance of rain 70 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
variably cloudy. Isolated thunderstorms in the evening. Scattered
showers. Lows around 83. Southeast winds 5 to 10 mph. Chance of
rain 50 percent.
.SATURDAY...Variably cloudy with scattered showers. Highs around
91. Temperature falling in the afternoon. Southeast winds 5 to
10 mph. Chance of rain 40 percent.
.SATURDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
30 percent.
.SUNDAY...Variably cloudy with scattered showers in the morning,
then partly cloudy with isolated showers in the afternoon. Highs
around 91. Temperature falling in the afternoon. Chance of rain
30 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.MONDAY...Variably cloudy with scattered showers. Highs around
91. Chance of rain 30 percent.
.MONDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.TUESDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Scattered showers. Isolated thunderstorms in the
afternoon. Highs around 91. Chance of rain 50 percent.
.TUESDAY NIGHT...Breezy. Variably cloudy with scattered showers.
Lows around 83. Chance of rain 30 percent.
.WEDNESDAY...Breezy. Mostly cloudy with numerous showers with
isolated thunderstorms. Highs around 92. Temperature falling in
the afternoon. Chance of rain 60 percent.
.WEDNESDAY NIGHT...Breezy. Mostly cloudy with scattered showers
with isolated thunderstorms. Lows around 83. Chance of rain
50 percent.
.THURSDAY...Breezy. Mostly cloudy with isolated thunderstorms.
Numerous showers, mainly in the morning. Highs around 91.
Temperature falling in the afternoon. Chance of rain 60 percent.

$$

VIZ001-190800-
St Thomas, St John and Adjacent Islands-
501 PM AST Thu Sep 18 2025

.TONIGHT...Variably cloudy this evening, then becoming mostly
cloudy. Scattered showers. Isolated thunderstorms after midnight.
Lows around 83. East winds 5 to 10 mph. Chance of rain
50 percent.
.FRIDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Isolated thunderstorms. Scattered showers in the morning,
then numerous showers in the afternoon. Highs around 93.
Temperature falling in the afternoon. Southeast winds 5 to
10 mph. Chance of rain 60 percent.
.FRIDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
40 percent.
.SATURDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Scattered showers. Isolated thunderstorms in the
afternoon. Highs around 92. Southeast winds 5 to 10 mph. Chance
of rain 50 percent.
.SATURDAY NIGHT...Variably cloudy with scattered showers in the
evening, then partly cloudy with isolated showers after midnight.
Lows around 83. Southeast winds 5 to 10 mph. Chance of rain
30 percent.
.SUNDAY...Partly cloudy with isolated showers. Highs around 93.
Chance of rain 20 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.MONDAY...Variably cloudy with scattered showers. Highs around
93. Temperature falling in the afternoon. Chance of rain
30 percent.
.MONDAY NIGHT...Breezy. Partly cloudy with isolated showers. Lows
around 83. Chance of rain less than 20 percent.
.TUESDAY...Breezy. Variably cloudy with scattered showers. Highs
around 92. Temperature falling in the afternoon. Chance of rain
30 percent.
.TUESDAY NIGHT...Breezy. Variably cloudy with scattered showers
with isolated thunderstorms. Lows around 83. Chance of rain
50 percent.
.WEDNESDAY...Breezy. Mostly cloudy with numerous showers with
isolated thunderstorms. Highs around 92. Chance of rain
60 percent.
.WEDNESDAY NIGHT...Breezy. Mostly cloudy with scattered showers
with isolated thunderstorms. Lows around 83. Chance of rain
50 percent.
.THURSDAY...Breezy. Mostly cloudy in the morning, then becoming
variably cloudy. Isolated thunderstorms. Numerous showers, mainly
in the morning. Highs around 92. Chance of rain 60 percent.

$$

VIZ002-190800-
St Croix-
501 PM AST Thu Sep 18 2025

.TONIGHT...Variably cloudy, then becoming mostly cloudy after
midnight, then becoming variably cloudy. Scattered showers.
Isolated thunderstorms after midnight. Lows around 83. East winds
10 to 15 mph. Chance of rain 50 percent.
.FRIDAY...Variably cloudy with scattered showers. Highs around
93. Temperature falling in the afternoon. Southeast winds 5 to
10 mph. Chance of rain 40 percent.
.FRIDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
30 percent.
.SATURDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Southeast winds 5 to
10 mph. Chance of rain 50 percent.
.SATURDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
20 percent.
.SUNDAY...Partly cloudy with isolated showers. Highs around 93.
Temperature falling in the afternoon. Chance of rain 20 percent.
.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 93. Temperature falling in the afternoon. Chance of
rain 30 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.TUESDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
40 percent.
.TUESDAY NIGHT...Breezy. Mostly cloudy with scattered showers
with isolated thunderstorms. Lows around 83. Chance of rain
50 percent.
.WEDNESDAY...Breezy. Mostly cloudy with numerous showers with
isolated thunderstorms. Highs around 92. Temperature falling in
the afternoon. Chance of rain 60 percent.
.WEDNESDAY NIGHT...Mostly cloudy with numerous showers with
isolated thunderstorms. Lows around 83. Chance of rain
60 percent.
.THURSDAY...Breezy. Mostly cloudy with isolated thunderstorms.
Numerous showers, mainly in the morning. Highs around 92. Chance
of rain 60 percent.

$$