


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
130 FPMY50 PGUM 161707 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service TIYAN GU 307 AM ChST Mon Mar 17 2025 GUZ001-MPZ001>003-171000- Guam-Rota-Tinian-Saipan- 307 AM ChST Mon Mar 17 2025 .TODAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 10 percent. .TONIGHT...Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 77. Chance of showers 10 percent. .TUESDAY THROUGH WEDNESDAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs around 88. Lows around 76. Chance of showers 20 percent. .WEDNESDAY NIGHT THROUGH SUNDAY...Partly cloudy with a 20 percent chance of showers. Lows in the mid 70s. Highs in the upper 80s. $$