637
FPMY50 PGUM 310500
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
300 PM ChST Sun Aug 31 2025

GUZ001-MPZ001>003-312100-
Guam-Rota-Tinian-Saipan-
300 PM ChST Sun Aug 31 2025

.TONIGHT...Partly cloudy with isolated showers. Southeast winds
around 10 mph in the evening becoming light. Lows around 79. Chance
of showers 20 percent.
.LABOR DAY...Partly cloudy with isolated showers. Light and variable
winds. Highs around 87. Chance of showers 20 percent.
.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Northeast winds 10 to 15 mph. Lows around 78. Chance
of showers 40 percent.
.TUESDAY...Mostly cloudy with scattered showers and isolated
thunderstorms. East winds 10 to 15 mph. Highs around 87. Chance of
showers 50 percent.
.TUESDAY NIGHT...Mostly cloudy with numerous showers and isolated
thunderstorms. Southeast winds 10 to 15 mph in the evening becoming
light. Lows around 78. Chance of showers 70 percent.
.WEDNESDAY...Mostly cloudy with scattered showers and isolated
thunderstorms. Southeast winds 10 to 15 mph. Highs around 86. Chance
of showers 50 percent.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy. A 50 percent chance
of showers and a slight chance of thunderstorms. 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 THROUGH SUNDAY...Partly cloudy with a 20 percent chance of
showers and thunderstorms. Highs in the upper 80s. Lows in the
upper 70s.


$$