


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
755 FPMY50 PGUM 131715 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service TIYAN GU 315 AM ChST Sat Jun 14 2025 GUZ001-MPZ001>003-140900- Guam-Rota-Tinian-Saipan- 315 AM ChST Sat Jun 14 2025 .TODAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent. .TONIGHT...Mostly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 78. Chance of showers 20 percent. .SUNDAY THROUGH MONDAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Highs around 87. Lows around 77. Chance of showers 20 percent. .MONDAY NIGHT THROUGH FRIDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$