379
FPMY50 PGUM 021700
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
300 AM ChST Sun Aug 3 2025

GUZ001-MPZ001>003-030800-
Guam-Rota-Tinian-Saipan-
300 AM ChST Sun Aug 3 2025

.TODAY...Mostly cloudy with scattered showers and isolated
thunderstorms. Southeast winds 10 to 15 mph. Highs near 86. Chance
of showers 40 percent for Guam and Rota, 30 percent for Tinian and
Saipan.
.TONIGHT...Mostly cloudy with scattered showers. Southeast winds 10
to 15 mph. Lows around 78. Chance of showers 30 percent.
.MONDAY...Partly sunny with isolated showers. Southeast to east
winds 10 to 15 mph. Highs around 88. Chance of showers 20 percent.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly cloudy with scattered
showers and isolated thunderstorms. East to southeast winds 10 to 15
mph, decreasing to 5 to 10 mph Tuesday night. Lows around 77. Highs
around 86. Chance of showers 40 percent.
.WEDNESDAY THROUGH SATURDAY...Mostly cloudy with a 30 percent chance
of showers and a slight chance of thunderstorms. Highs in the upper
80s. Lows in the upper 70s.

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