Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
903 FPMY50 PGUM 051757 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 357 AM ChST Sat Dec 6 2025 GUZ001-MPZ001>003-060900- Guam-Rota-Tinian-Saipan- 357 AM ChST Sat Dec 6 2025 .TODAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent. .TONIGHT...Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 78. Chance of showers 20 percent. .SUNDAY...Mostly sunny with isolated showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 10 percent. .SUNDAY NIGHT AND MONDAY...Partly cloudy with a 20 percent chance of showers. East winds 10 to 15 mph. Lows around 78. Highs around 87. .MONDAY NIGHT THROUGH FRIDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$