Houston Southwest Airport Weather Forecast

    • 70
    • 91

    Slight Chance Thunderstorms

    • 69
    • 93

    Mostly Sunny

    • 69
    • 93

    Slight Chance Thunderstorms

    • 70
    • 93

    Chance Rain Showers

    • 72
    • 92

    Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

Today 15 Sep Fort Bend

Mostly sunny. A slight chance of Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 15 Sep Fort Bend

Clear. Lows around 70. Southeast Winds 5 to 10 Mph in the Evening, becoming light and variable.

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Houston Southwest Airport Temperature Statistics

September Temperature

Houston Southwest Airport (0 miles)

  • Lowest 10 September, 2025

    60.3 °F

  • Average September

    81.2 °F

  • Highest 4 September, 2025

    95.9 °F

Climate (2020–Present)

Houston Southwest Airport (0 miles)

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  • Average Low 2020–2025

    61 °F

  • Average 2020–2025

    70.4 °F

  • Average High 2020–2025

    80.9 °F
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