7-Day Zone Forecast for Galveston Island (Text-Only)
NWS Forecast for: Galveston Island
Issued by: National Weather Service Houston, TX
Last Update: 1212 AM CDT Sat Mar 14 2026
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Rest Of Tonight: Partly cloudy. Near steady temperature in the mid 60s. South winds 10 to 15 mph.

Saturday: Mostly sunny. Highs in the lower 70s. South winds 10 to 15 mph.

Saturday Night: Partly cloudy. Near steady temperature in the upper 60s. South winds 15 to 20 mph.

Sunday: Mostly sunny. Highs in the mid 70s. South winds 15 to 20 mph.

Sunday Night: Showers likely with a chance of thunderstorms in the evening. Very windy and much cooler. Less humid with lows in the upper 40s. West winds 15 to 25 mph, increasing to north 25 to 35 mph after midnight. Chance of rain 70 percent.

Monday: Mostly sunny and very windy. Much cooler with highs in the upper 50s.

Monday Night: Mostly cloudy. Lows in the upper 40s.

Tuesday: Partly sunny in the morning, then clearing. Highs in the lower 60s.

Tuesday Night: Mostly clear. Near steady temperature in the upper 50s.

Wednesday: Sunny. Highs around 70.

Wednesday Night: Mostly clear. Lows in the lower 60s.

Thursday: Sunny. Highs in the lower 70s.

Thursday Night: Mostly clear. Lows in the mid 60s.

Friday: Sunny. Highs in the mid 70s.







Zone Forecast: Galveston Island

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