| NWS Forecast for: Guam Issued by: National Weather Service Tiyan, GU Last Update: 401 PM ChST Thu Mar 5 2026 | |
Tonight: Partly cloudy with isolated showers. Northeast winds 15 to 20 mph. Lows around 77. Chance of showers 20 percent. Friday: Breezy. Partly sunny with scattered showers. Northeast winds 20 to 25 mph. Highs around 87. Chance of showers 30 percent. Friday Night: Breezy. Cloudy with numerous showers and isolated thunderstorms. East winds 20 to 25 mph. Lows around 77. Chance of showers 60 percent. Saturday Through Sunday: Breezy. Cloudy with widespread locally heavy showers and isolated thunderstorms. South winds 15 to 25 mph. highs around 82. Lows around 77. Chance of showers near 90 percent. Sunday Night And Monday: Cloudy with showers likely and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the lower 80s. Chance of showers 70 percent. Monday Night And Tuesday: Mostly cloudy with a 50 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the lower 80s. Tuesday Night Through Thursday: Mostly cloudy with a 40 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the mid 80s. | |
| Zone Forecast: Guam | |
Visit your local NWS office at: https://www.weather.gov/gum |