608
FPMY50 PGUM 050558
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
358 PM ChST Sun Oct 5 2025

GUZ001-MPZ001>003-052100-
Guam-Rota-Tinian-Saipan-
358 PM ChST Sun Oct 5 2025

.TONIGHT...Mostly cloudy. Isolated showers in the evening, then
scattered showers and isolated thunderstorms after midnight. Light
and variable winds. Lows around 78. Chance of showers 30 percent.
.MONDAY...Partly cloudy with isolated showers and thunderstorms in
the morning, then partly sunny with scattered showers and isolated
thunderstorms in the afternoon. Light and variable winds. Highs
around 87. Chance of showers 30 percent.
.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Light and variable winds becoming northeast around
10 mph after midnight. Lows around 78. Chance of showers 40 percent.
.TUESDAY...Cloudy with numerous showers and isolated thunderstorms.
Locally heavy showers possible. Southeast to south winds 10 to 20
mph. Gust to 30 mph possible in heavier showers and thunderstorms.
Highs around 85. Chance of showers 60 percent.
.TUESDAY NIGHT... Mostly cloudy with scattered showers and isolated
thunderstorms. South winds 15 to 20 mph. Lows around 78. Chance of
showers 50 percent.
.WEDNESDAY...Partly sunny with isolated showers and thunderstorms.
Southeast to south winds 10 to 15 mph. Highs around 87. Chance of
showers 20 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a 20 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers
and a slight chance of thunderstorms. Lows in the upper 70s.
.FRIDAY...Partly sunny with a 30 percent chance of showers. Highs in
the mid 80s.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy with a 20 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.

$$