Southwest Houston Weather Forecast

    • 81
    • 102

    Hot

    • 80
    • 100

    Chance Thunderstorms

    • 79
    • 97

    Chance Thunderstorms

    • 78
    • 97

    Mostly Sunny

    • 79
    • 96

    Slight Chance Thunderstorms

    • 79
    • 96

    Chance Thunderstorms

Today 26 Aug Fort Bend

Sunny, hot with Highs around 100. South Winds 5 to 10 Mph. Heat index Values up to 108.

Tonight 26 Aug Fort Bend

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Heat index Values up to 108 early in the evening.

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Southwest Houston Temperature Statistics

August Temperature

Houston Southwest Airport (9.9 miles)

  • Lowest 17 August, 2026

    68.2 °F

  • Average August

    84.5 °F

  • Highest 22 August, 2026

    101.1 °F

Climate (2021–2026)

Houston Southwest Airport (9.9 miles)

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  • Average Low 2021–2026

    61.8 °F

  • Average 2021–2026

    71.4 °F

  • Average High 2021–2026

    81.8 °F
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