101
FPMY50 PGUM 170540
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
340 PM ChST Fri Oct 17 2025

GUZ001-MPZ001>003-172000-
Guam-Rota-Tinian-Saipan-
340 PM ChST Fri Oct 17 2025

.TONIGHT...Mostly cloudy with scattered showers. East winds 10 to
15 mph. Lows around 78. Chance of showers 30 percent.
.SATURDAY...Breezy. Mostly cloudy with scattered showers and
isolated thunderstorms. East winds 15 to 25 mph. Highs near 87.
Chance of showers 40 percent.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy with isolated showers.
East winds 10 to 20 mph. Lows around 77. Highs near 87. Chance of
showers 20 percent.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. Scattered showers. East
winds 10 to 15 mph. Lows around 77. Highs near 86. Chance of showers
40 percent.
.MONDAY NIGHT THROUGH FRIDAY...Mostly cloudy with a 30 percent
chance of showers and a slight chance of thunderstorms. Lows in the
upper 70s. Highs in the upper 80s.

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