FPMY50 PGUM 250508

ZFPGUM



Zone Forecast for Guam and the Northern Marianas

National Weather Service Tiyan GU

308 PM ChST Sat Oct 25 2025



GUZ001-MPZ001>003-252000-

Guam-Rota-Tinian-Saipan-

308 PM ChST Sat Oct 25 2025



.TONIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Southeast winds around 10 mph in the evening becoming

light. Lows around 79. Chance of showers 30 percent. 

.SUNDAY...Partly sunny with isolated showers and thunderstorms. East

winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent. 

.SUNDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. East winds 10 to 15 mph. Lows around 79. Chance of

showers 30 percent. 

.MONDAY AND MONDAY NIGHT...Mostly cloudy. Isolated showers. East

winds 10 to 15 mph. Highs around 87. Lows around 79. Chance of

showers 20 percent. 

.TUESDAY...Partly cloudy with isolated showers. East winds 10 to

15 mph. Highs around 87. Chance of showers 20 percent.   

.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy with a 20 

percent chance of showers. Lows in the upper 70s. Highs in the upper

80s.

.THURSDAY THROUGH FRIDAY...Mostly cloudy with a 30 percent chance of

showers and a slight chance of thunderstorms. Highs in the upper

80s. Lows in the upper 70s. 

.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers

and thunderstorms. Lows in the upper 70s.   

.SATURDAY...Partly sunny with a chance of showers and a slight

chance of thunderstorms. Highs in the upper 80s. Chance of

showers 30 percent. 



$$