


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
945 FPMY50 PGUM 200532 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service TIYAN GU 332 PM ChST Sun Apr 20 2025 GUZ001-MPZ001>003-202115- Guam-Rota-Tinian-Saipan- 332 PM ChST Sun Apr 20 2025 .TONIGHT...Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 78. Chance of showers 20 percent. .MONDAY...Partly sunny with scattered showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 30 percent. .MONDAY NIGHT...Mostly cloudy with scattered showers For Guam and Rota. Partly cloudy and isolated showers for Tinian and Saipan. East winds 10 to 15 mph. Lows around 78. Chance of showers 30 percent for Guam and Rota; 20 percent for Tinian and Saipan. .TUESDAY THROUGH WEDNESDAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs around 87. Lows around 78. Chance of showers 20 percent. .WEDNESDAY NIGHT THROUGH SUNDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$