Thompson Lake Weather Forecast

    • 77
    • 95

    Chance Thunderstorms

    • 76
    • 95

    Slight Chance Thunderstorms

    • 77
    • 94

    Rain Showers Likely

    • 74
    • 91

    Chance Thunderstorms

    • 72
    • 93

    Mostly Sunny

    • 73
    • 94

    Slight Chance Thunderstorms

Today 14 Sep Fort Bend

Mostly sunny with a chance of Showers and Thunderstorms. Hot with Highs in the mid 90s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 109.

Tonight 14 Sep Fort Bend

Mostly clear. Near steady temperature in the upper 70s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Lake Temperature Statistics

September Temperature

Houston Southwest Airport (3.1 miles)

  • Lowest 5 September, 2026

    74.5 °F

  • Average September

    83.7 °F

  • Highest 12 September, 2026

    97.3 °F

Climate (2021–2026)

Houston Southwest Airport (3.1 miles)

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  • Average Low 2021–2026

    61.9 °F

  • Average 2021–2026

    71.4 °F

  • Average High 2021–2026

    81.9 °F
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