| NWS Forecast for: Guam Issued by: National Weather Service Tiyan, GU Last Update: 252 AM ChST Tue Jan 13 2026 |  |
Today: Partly sunny with isolated showers this morning, becoming scattered showers and isolated thunderstorms this afternoon. East winds 15 to 20 mph. Highs around 86. Chance of showers 30 percent. Tonight: Mostly cloudy with scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Lows around 77. Chance of showers 40 percent. Wednesday And Wednesday Night: Mostly cloudy. Scattered showers and isolated thunderstorms. East winds 15 to 20 mph. Highs around 86. Lows around 77. Chance of showers 30 percent. Thursday Through Martin Luther King Jr Day: Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. Lows in the mid 70s. | |
| Zone Forecast: Guam | |
Visit your local NWS office at: https://www.weather.gov/gum |