| NWS Forecast for: Guam Issued by: National Weather Service Tiyan, GU Last Update: 401 AM ChST Fri Oct 9 2026 | |
| Today: Partly sunny. Scattered showers and isolated thunderstorms. Light and variable winds becoming southwest around 10 mph in the afternoon. Highs around 86. Chance of showers 40 percent. Tonight: Mostly cloudy with scattered showers and isolated thunderstorms. Southwest winds around 10 mph in the evening becoming light. Lows around 78. Chance of showers 40 percent. Saturday And Saturday Night: Mostly cloudy with scattered showers and isolated thunderstorms. Southwest winds 10 to 15 mph. Highs around 87. Lows around 79. Chance of showers 30 percent. Sunday: Partly cloudy with isolated showers. West winds 10 to 15 mph. Highs around 86. Chance of showers 20 percent. Sunday Night Through Thursday: Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. | |
| Zone Forecast: Guam | |
Visit your local NWS office at: https://www.weather.gov/gum |