| NWS Forecast for: Tinian Issued by: National Weather Service Tiyan, GU Last Update: 350 AM ChST Thu Aug 20 2026 | |
| Today: Partly sunny with scattered showers and isolated thunderstorms. Northeast winds 10 to 15 mph. Highs around 87. Chance of showers 40 percent. Tonight: Mostly cloudy with scattered showers and isolated thunderstorms. Northeast winds 5 to 10 mph. Lows around 78. Chance of showers 30 percent. Friday: Partly sunny with isolated showers and thunderstorms in the morning, becoming partly cloudy with scattered island effect showers and isolated thunderstorms in the afternoon. Northeast winds 5 to 10 mph. Highs around 87. Chance of showers 30 percent. Friday Night And Saturday: Breezy. Mostly cloudy with scattered showers and isolated thunderstorms. Locally heavy showers possible. west winds 15 to 25 mph. Lows around 79. Highs around 87. Chance of showers 50 percent. Saturday Night Through Wednesday: Breezy. Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Locally heavy showers possible. Lows in the upper 70s. Highs in the mid 80s. chance of showers 40 percent. | |
| Zone Forecast: Tinian | |
Visit your local NWS office at: https://www.weather.gov/gum |