| NWS Forecast for: Galveston Island Issued by: National Weather Service Houston, TX Last Update: 108 PM CDT Sun Mar 15 2026 | |
This Afternoon: Partly sunny. Near steady temperature in the mid 70s. South winds around 20 mph. Tonight: Mostly cloudy. A chance of showers and thunderstorms in the evening. Very windy and much cooler. Less humid with lows in the upper 40s. West winds 20 to 30 mph, becoming north 30 to 35 mph after midnight. Chance of rain 40 percent. Monday: Mostly sunny and very windy. Much cooler with highs in the upper 50s. North winds 25 to 35 mph with gusts up to 45 mph, diminishing to 20 to 25 mph with gusts up to 35 mph in the afternoon. Monday Night: Mostly cloudy. Lows in the upper 40s. North winds 15 to 20 mph. Tuesday: Sunny. Highs around 60. East winds 10 to 15 mph. Tuesday Night: Mostly clear. Lows in the mid 50s. Wednesday: Sunny. Highs in the upper 60s. Wednesday Night: Mostly clear. Near steady temperature in the mid 60s. Thursday: Sunny. Highs in the lower 70s. Thursday Night: Mostly clear. Lows in the mid 60s. Friday: Sunny. Highs in the mid 70s. Friday Night: Mostly clear. Lows in the upper 60s. Saturday: Sunny. Highs in the upper 70s. | |
| Zone Forecast: Galveston Island | |
Visit your local NWS office at: https://www.weather.gov/hgx |