| NWS Forecast for: Galveston Island Issued by: National Weather Service Houston, TX Last Update: 201 AM CDT Wed Mar 11 2026 | |
| Rest Of Tonight: Cloudy. Near steady temperature in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. Wednesday: Mostly cloudy. A slight chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. Wednesday Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening. Windy, cooler with lows in the mid 50s. West winds 15 to 20 mph, becoming north 20 to 30 mph after midnight. Chance of rain 60 percent. Thursday: Sunny, windy, cooler. Less humid with highs in the upper 60s. North winds 20 to 30 mph, diminishing to 15 to 20 mph in the afternoon. Thursday Night: Mostly clear. Lows in the upper 50s. Northeast winds 5 to 10 mph, becoming east after midnight. Friday: Sunny. Highs around 70. Friday Night: Mostly clear. Lows in the mid 60s. Saturday: Sunny. Highs in the mid 70s. Saturday Night: Mostly clear. Near steady temperature in the upper 60s. Sunday: Mostly sunny. Highs in the upper 70s. Sunday Night: Mostly cloudy. Cooler with lows in the upper 50s. Monday: Mostly cloudy in the morning, then becoming partly sunny. Breezy, cooler with highs in the mid 60s. Monday Night: Mostly cloudy. Lows in the mid 50s. Tuesday: Partly sunny. Highs in the upper 60s. | |
| Zone Forecast: Galveston Island | |
Visit your local NWS office at: https://www.weather.gov/hgx |