604
FPMY50 PGUM 161707
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
307 AM ChST Thu Jul 17 2025

GUZ001-MPZ001>003-171115-
Guam-Rota-Tinian-Saipan-
307 AM ChST Thu Jul 17 2025

.TODAY...Partly cloudy with isolated showers and thunderstorms. East
winds 10 to 15 mph. Highs around 88. Chance of showers 20 percent.
.TONIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. East winds 5 to 15 mph. Lows around 78. Chance of
showers 30 percent.
.FRIDAY THROUGH SATURDAY...Mostly cloudy with scattered showers and
isolated thunderstorms. East winds 5 to 15 mph. Highs around 86.
Lows around 77. Chance of showers 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of showers
and a slight chance of thunderstorms. Lows in the upper 70s. Highs
in the mid 80s.
.SUNDAY THROUGH WEDNESDAY...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.

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