859
FPMY50 PGUM 150554
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
354 PM ChST Tue Jul 15 2025

GUZ001-MPZ001>003-152100-
Guam-Rota-Tinian-Saipan-
354 PM ChST Tue Jul 15 2025

.TONIGHT...Partly cloudy with isolated showers in the evening,
becoming mostly cloudy with scattered showers by midnight. Isolated
thunderstorms. Southeast winds 15 to 20 mph. Lows around 77. Chance
of showers 30 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with scattered
showers and isolated thunderstorms. East winds 10 to 15 mph. Highs
around 87. Lows around 78. Chance of showers 30 percent.
.THURSDAY...Partly cloudy with isolated showers and thunderstorms.
East winds 10 to 15 mph. Highs around 87. Chance of showers
20 percent.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Scattered showers and
isolated thunderstorms. East winds 15 to 20 mph. Lows around 77.
Highs around 86. Chance of showers 40 percent.
.FRIDAY NIGHT THROUGH TUESDAY...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.

$$