Thompson Lake Weather Forecast

    • 75
    • 96

    Chance Thunderstorms

    • 75
    • 92

    Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

    • 75
    • 93

    Chance Thunderstorms

    • 76
    • 92

    Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

Today 31 Aug Fort Bend

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the upper 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 107.

Tonight 31 Aug Fort Bend

Partly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. Southeast Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 40 percent.

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Thompson Lake Temperature Statistics

August Temperature

Houston Southwest Airport (3.1 miles)

  • Lowest 17 August, 2026

    68.2 °F

  • Average August

    84.6 °F

  • Highest 22 August, 2026

    101.1 °F

Climate (2021–2026)

Houston Southwest Airport (3.1 miles)

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  • Average Low 2021–2026

    61.8 °F

  • Average 2021–2026

    71.4 °F

  • Average High 2021–2026

    81.9 °F
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