


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
964 FPMY50 PGUM 011759 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 359 AM ChST Thu Oct 2 2025 GUZ001-020815- Guam- 359 AM ChST Thu Oct 2 2025 .TODAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs near 87. Chance of showers 20 percent. .TONIGHT AND FRIDAY...Partly cloudy with isolated showers and thunderstorms. Light and variable winds. Lows around 76. Highs near 87. Chance of showers 20 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Light and variable winds. Lows around 76. Chance of showers 20 percent. .SATURDAY...Partly sunny with a 30 percent chance of showers and a slight chance of thunderstorms. Light and variable winds. Highs near 87. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 70s. .SUNDAY...Partly sunny with a 30 percent chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 70s. .MONDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the mid 80s. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the mid 70s. Highs in the mid 80s. Chance of showers 30 percent. $$ MPZ001>003-020815- Rota-Tinian-Saipan- 359 AM ChST Thu Oct 2 2025 .TODAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs near 87. Chance of showers 20 percent. .TONIGHT AND FRIDAY...Partly cloudy with isolated showers and thunderstorms. Light and variable winds. Lows around 76. Highs near 87. Chance of showers 20 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Light and variable winds. Lows around 79. Chance of showers 20 percent. .SATURDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Light and variable winds. Highs near 87. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 70s. Highs in the upper 80s. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. .MONDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the upper 80s. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the upper 80s. Chance of showers 30 percent. $$