623
FPMY50 PGUM 120557
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
357 PM ChST Sun Oct 12 2025

GUZ001-MPZ001>003-122030-
Guam-Rota-Tinian-Saipan-
357 PM ChST Sun Oct 12 2025

.TONIGHT...Mostly cloudy. Isolated showers in the evening, then
scattered showers after midnight. East winds 10 to 15 mph. Lows
around 76. Chance of showers 30 percent.
.COLUMBUS DAY...Partly sunny with scattered showers. East winds
10 to 15 mph. Highs around 88. Chance of showers 30 percent.
.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. East winds 10 to 15 mph. Lows around 76. Chance of
showers 30 percent.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy with scattered showers
and isolated thunderstorms. East winds 10 to 15 mph. Highs around
86. Lows around 75. Chance of showers 50 percent Guam and Rota, 40
percent Tinian and Saipan.
.WEDNESDAY...Cloudy with numerous locally heavy showers and isolated
thunderstorms. East winds 15 to 20 mph gusting to 30 mph. Highs
around 85. Chance of showers 70 percent.
.WEDNESDAY NIGHT...Cloudy with showers likely and a slight chance of
thunderstorms. Locally heavy showers possible. Lows in the mid 70s.
Chance of showers 60 percent.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. A 30 percent chance of
showers and a slight chance of thunderstorms. Highs in the upper
80s. Lows in the upper 70s.
.FRIDAY THROUGH SUNDAY...Mostly cloudy with a 20 percent chance of
showers. Highs in the upper 80s. Lows in the upper 70s.

$$