


NWS Forecast for: Galveston TX Issued by: National Weather Service Houston, TX Last Update: 11:34 pm CDT Jun 21, 2025 | |
Overnight: Mostly clear, with a low around 82. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Sunday: A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 89. Heat index values as high as 102. Southeast wind 10 to 15 mph. Chance of precipitation is 20%. Sunday Night: A 20 percent chance of showers after 4am. Partly cloudy, with a low around 82. Southeast wind 10 to 15 mph. Monday: A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 88. Southeast wind around 10 mph. Chance of precipitation is 20%. Monday Night: A slight chance of showers between 10pm and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 81. Southeast wind 5 to 10 mph. Chance of precipitation is 20%. Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%. Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 81. Wednesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 70%. Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 81. Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. | |
Galveston TX 29.29°N 94.79°W (Elev. 10 ft) | |
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