526
FPMY50 PGUM 071746
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
346 AM ChST Tue Sep 8 2026

GUZ001-MPZ001>003-080830-
Guam-Rota-Tinian-Saipan-
346 AM ChST Tue Sep 8 2026

.TODAY...Mostly sunny with isolated showers in the morning. Becoming
partly sunny with scattered island effect showers and isolated
thunderstorms around noon. North winds 5 to 10 mph. Highs near 87.
Chance of showers 30 percent.
.TONIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. North winds around 10 mph in the evening becoming
light. Lows around 79. Chance of showers 30 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Scattered showers
and isolated thunderstorms. North to northeast winds 5 to 10 mph.
Highs around 86. Lows around 77. Chance of showers 30 percent.
.THURSDAY...Partly cloudy with isolated showers. Light and variable
winds. Highs around 88. Chance of showers 20 percent.
.THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy with a 20 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy with a 10 percent chance
of showers. Lows in the upper 70s. Highs in the upper 80s.
.SUNDAY NIGHT THROUGH MONDAY...Partly cloudy with a 20 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.

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