| NWS Forecast for: Galveston Island Issued by: National Weather Service Houston, TX Last Update: 1149 AM CDT Thu Mar 12 2026 | |
| This Afternoon: Sunny, cooler with highs in the mid 60s. North winds 15 to 20 mph. Tonight: Clear. Lows in the mid 50s. Northeast winds 5 to 10 mph, becoming east after midnight. Friday: Sunny. Highs in the upper 60s. South winds 5 to 10 mph. Friday Night: Mostly clear. Lows in the lower 60s. South winds around 10 mph. Saturday: Sunny. Highs in the lower 70s. South winds 10 to 15 mph. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Near steady temperature in the upper 60s. Sunday: Mostly sunny. Highs in the mid 70s. Sunday Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Very windy and much cooler with lows in the upper 40s. Chance of rain 40 percent. Monday: Mostly sunny and very windy. Much cooler with highs in the upper 50s. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. Tuesday: Partly sunny in the morning, then clearing. Highs in the lower 60s. Tuesday Night: Partly cloudy. Near steady temperature in the upper 50s. Wednesday: Sunny. Highs in the upper 60s. | |
| Zone Forecast: Galveston Island | |
Visit your local NWS office at: https://www.weather.gov/hgx |