Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
481 FPMY50 PGUM 170500 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 300 PM ChST Mon Nov 17 2025 GUZ001-MPZ001>003-172100- Guam-Rota-Tinian-Saipan- 300 PM ChST Mon Nov 17 2025 .TONIGHT...Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 78. Chance of showers 20 percent. .TUESDAY THROUGH THURSDAY...Partly cloudy with isolated showers. East winds 15 to 20 mph. Highs around 87. Lows around 78. Chance of showers 20 percent. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. .SATURDAY AND SATURDAY NIGHT...Partly cloudy with a 30 percent chance of showers. Highs in the upper 80s. Lows in the upper 70s. .SUNDAY THROUGH MONDAY...Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. Lows in the upper 70s. $$