


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
097 FPMY50 PGUM 030539 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 339 PM ChST Thu Jul 3 2025 GUZ001-MPZ001>003-032000- Guam-Rota-Tinian-Saipan- 339 PM ChST Thu Jul 3 2025 .TONIGHT...Mostly cloudy with isolated showers. South wind around 10 mph. Lows around 78. Chance of showers 20 percent. .INDEPENDENCE DAY...Partly cloudy with isolated showers. Southeast winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent. .FRIDAY NIGHT...Mostly cloudy with scattered showers. Southeast winds around 10 mph. Lows around 78. Chance of showers 30 percent. .SATURDAY THROUGH SUNDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Light and variable winds. Highs near 87. Lows around 78. Chance of showers 40 percent. .SUNDAY NIGHT THROUGH THURSDAY...Mostly cloudy with a 40 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the upper 80s. $$