904
FPMY50 PGUM 140551
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
351 PM ChST Mon Sep 14 2026

GUZ001-MPZ001-142100-
Guam-Rota-
351 PM ChST Mon Sep 14 2026

.TONIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Northeast winds 5 to 10 mph. Lows around 77. Chance
of showers 40 percent.
.TUESDAY...Partly sunny with scattered showers and isolated
thunderstorms. Light and variable becoming northwest 5 to 10 mph in
the afternoon. Highs around 87. Chance of showers 30 percent.
.TUESDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Northwest winds 5 to 10 mph. Lows around 78. Chance
of showers 30 percent.
.WEDNESDAY...Partly cloudy with isolated showers. West winds 10 to
15 mph. Highs around 87. Chance of showers 20 percent.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy. Isolated showers and
thunderstorms. West winds 5 to 15 mph. Lows around 78. Highs around
87. Chance of showers 20 percent.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly cloudy with a
30 percent chance of showers and a slight chance of thunderstorms.
Lows in the upper 70s. Highs in the upper 80s.
.SATURDAY...Partly cloudy with a 20 percent chance of showers and
thunderstorms. Highs in the upper 80s.
.SATURDAY NIGHT THROUGH MONDAY...Mostly cloudy with a chance of
showers and a slight chance of thunderstorms. Lows in the upper 70s.
Highs in the upper 80s. Chance of showers 40 percent.

$$

MPZ002-003-142100-
Tinian-Saipan-
351 PM ChST Mon Sep 14 2026

.TONIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Northeast winds 10 to 15 mph. Lows around 76. Chance
of showers 50 percent.
.TUESDAY...Partly sunny with scattered showers and isolated
thunderstorms. Northeast winds 10 to 15 mph. Highs around 87. Chance
of showers 40 percent.
.TUESDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. North winds 10 to 15 mph. Lows around 77. Chance of
showers 30 percent.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy with isolated showers.
West winds 10 to 15 mph. Highs around 87. Lows around 78. Chance of
showers 20 percent.
.THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy with a 20 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.
.SATURDAY NIGHT THROUGH MONDAY...Mostly cloudy with a chance of
showers and a slight chance of thunderstorms. Lows in the upper 70s.
Highs in the upper 80s. Chance of showers 30 percent.

$$