Clear Lake Shores Weather Forecast

    • 75
    • 80

    Slight Chance Thunderstorms

    • 74
    • 81

    Rain Showers

    • 76
    • 84

    Rain Showers Likely

    • 75
    • 84

    Rain Showers

    • 74
    • 82

    Thunderstorms Likely

    • 75
    • 84

    Rain Showers Likely

Today 20 May Coastal Galveston

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the morning. Humid with Highs in the mid 80s. South Winds 10 to 15 Mph, becoming east in the afternoon. Chance of rain 70 percent.

Tonight 20 May Coastal Galveston

Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds. Near steady temperature in the lower 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Shores Temperature Statistics

May Temperature

Houston / Ellington (8.7 miles)

  • Lowest 2 May, 2026

    55.4 °F

  • Average May

    75.2 °F

  • Highest 9 May, 2026

    89.6 °F

Climate (2021–Present)

Houston / Ellington (8.7 miles)

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  • Average Low 2021–2026

    64.3 °F

  • Average 2021–2026

    71.9 °F

  • Average High 2021–2026

    80.3 °F
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