Southwest Houston Weather Forecast

    • 78
    • 98

    Slight Chance Thunderstorms

    • 78
    • 97

    Slight Chance Thunderstorms

    • 78
    • 96

    Chance Thunderstorms

    • 78
    • 96

    Slight Chance Thunderstorms

    • 79
    • 95

    Slight Chance Thunderstorms

    • 79
    • 95

    Chance Thunderstorms

Today 5 Aug Fort Bend

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

Tonight 5 Aug Fort Bend

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Patchy fog after midnight. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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Southwest Houston Temperature Statistics

August Temperature

Houston Southwest Airport (9.9 miles)

  • Lowest 3 August, 2026

    75 °F

  • Average August

    86 °F

  • Highest 2 August, 2026

    98.2 °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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