Brenham Weather Forecast

    • 73
    • 90

    Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 73
    • 94

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 74
    • 93

    Chance Thunderstorms

    • 74
    • 89

    Chance Thunderstorms

Today 22 Aug Washington

Mostly cloudy Early, then becoming partly sunny. A chance of Showers and Thunderstorms. Highs around 90. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 22 Aug Washington

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear with a slight chance of Showers after midnight. Lows in the lower 70s. East Winds around 5 Mph, becoming northwest after midnight. Chance of rain 50 percent.

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Brenham Temperature Statistics

August Temperature

Brenham, Brenham Municipal Airport (3.7 miles)

  • Lowest 4 August, 2025

    68.4 °F

  • Average August

    82.9 °F

  • Highest 1 August, 2025

    98.2 °F

Climate (2020–Present)

Brenham, Brenham Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    60.5 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    81 °F
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