691
FPMY50 PGUM 171758
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
358 AM ChST Tue Nov 18 2025

GUZ001-MPZ001-180800-
Guam-Rota-
358 AM ChST Tue Nov 18 2025

.TODAY...Partly cloudy with isolated showers. East winds 15 to 20
mph. Highs around 87. Chance of showers 20 percent.
.TONIGHT...Partly cloudy with isolated showers. East winds 10 to
15 mph. Lows around 78. Chance of showers 10 percent.
.WEDNESDAY...Mostly sunny with isolated showers. East winds 15 to 20
mph. Highs around 87. Chance of showers 10 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Isolated showers.
East winds 15 to 20 mph. Lows around 78. Highs around 87. Chance of
showers 20 percent.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers.
Lows in the upper 70s.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly cloudy with a 30 percent
chance of showers and a slight chance of thunderstorms. Highs in the
mid 80s. Lows in the upper 70s.
.SUNDAY THROUGH MONDAY...Partly cloudy with a 20 percent chance of
showers. Highs in the upper 80s. Lows in the upper 70s.

$$

MPZ002-003-180800-
Tinian-Saipan-
358 AM ChST Tue Nov 18 2025

.TODAY...Partly cloudy with isolated showers. East winds 15 to 20
mph. Highs around 87. Chance of showers 20 percent.
.TONIGHT...Partly cloudy with isolated showers. East winds 10 to 15
mph. Lows around 79. Chance of showers 10 percent.
.WEDNESDAY...Mostly sunny with isolated showers. East winds 15 to 20
mph. Highs around 87. Chance of showers 10 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Isolated showers.
East winds 15 to 20 mph. Lows around 80. Highs around 87. Chance of
showers 10 percent.
.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers
and a slight chance of thunderstorms. Lows around 80.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of
showers and a slight chance of thunderstorms. Highs in the mid 80s.
Lows in the upper 70s.
.SATURDAY THROUGH MONDAY...Partly cloudy with a 20 percent chance of
showers. Highs in the upper 80s. Lows around 80.

$$