| NWS Forecast for: Guam Issued by: National Weather Service Tiyan, GU Last Update: 615 PM ChST Sun Apr 12 2026 | |
Tonight: Windy. Mostly cloudy with scattered showers and isolated thunderstorms. North winds 25 to 35 mph. Lows around 76. Chance of showers 50 percent. Monday: Tropical storm conditions expected. North winds 35 to 45 mph. Mostly cloudy with scattered showers and isolated thunderstorms. Highs around 84. Chance of showers 50 percent. Monday Night: Tropical storm conditions expected. North winds 35 to 45 mph. Mostly cloudy with scattered showers and isolated thunderstorms. Locally heavy showers possible. Lows around 76. chance of showers 50 percent. Tuesday And Tuesday Night: Tropical storm conditions expected. southwest winds 50 to 60 mph. Cloudy with widespread heavy showers and isolated thunderstorms. Highs around 82. Lows around 76. Chance of showers 80 percent. Wednesday: Tropical storm conditions expected. Southwest winds 35 to 45 mph. Mostly cloudy with scattered showers and isolated thunderstorms. Locally heavy showers possible. Highs around 83. chance of showers 50 percent. Wednesday Night And Thursday: Very windy. Mostly cloudy. Scattered showers and isolated thunderstorms. Locally heavy showers possible. lows in the upper 70s. Highs in the mid 80s. Chance of showers 50 percent. Thursday Night: Breezy. Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Friday Through Sunday: Breezy. Partly cloudy with a 20 percent chance of showers. Highs in the mid 80s. Lows in the upper 70s. | |
| Zone Forecast: Guam | |
Visit your local NWS office at: https://www.weather.gov/gum |