


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
384 FPMY50 PGUM 061804 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 404 AM ChST Tue Oct 7 2025 GUZ001-MPZ001-070815- Guam-Rota- 404 AM ChST Tue Oct 7 2025 .TODAY...Cloudy with numerous showers and isolated thunderstorms. Light and variable winds becoming southwest 10 to 15 mph in the afternoon. Highs near 85. Chance of showers 70 percent. .TONIGHT...Mostly cloudy with scattered showers and isolated thunderstorms. Southwest winds 10 to 15 mph. Lows around 77. Chance of showers 40 percent. .WEDNESDAY...Partly sunny with isolated showers and thunderstorms. South winds around 10 mph in the morning becoming light. Highs around 87. Chance of showers 20 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Light and variable winds. Lows around 77. Chance of showers 20 percent. .THURSDAY...Partly cloudy with isolated showers and thunderstorms. Light and variable winds becoming northeast around 10 mph in the afternoon. Highs around 87. Chance of showers 20 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 70s. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. .SATURDAY...Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. .SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 70s. .COLUMBUS DAY...Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. $$ MPZ002-003-070815- Tinian-Saipan- 404 AM ChST Tue Oct 7 2025 .TODAY...Breezy. Partly sunny with scattered showers and isolated thunderstorms. Southeast winds 15 to 25 mph. Highs near 86. Chance of showers 40 percent. .TONIGHT...Breezy. Mostly cloudy with scattered showers and isolated thunderstorms. South winds 15 to 25 mph. Lows around 79. Chance of showers 30 percent. .WEDNESDAY...Partly sunny with isolated showers. South winds 10 to 15 mph. Highs near 87. Chance of showers 20 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with isolated showers. Light and variable winds. Lows around 79. Highs near 88. Chance of showers 20 percent. .THURSDAY NIGHT THROUGH COLUMBUS DAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$