Dunn Lake Weather Forecast

    • 76
    • 102

    Slight Chance Rain Showers

    • 76
    • 101

    Hot

    • 76
    • 100

    Hot

    • 78
    • 100

    Hot

    • 77
    • 100

    Slight Chance Thunderstorms

    • 75
    • 98

    Slight Chance Thunderstorms

Today 23 Aug Austin

Mostly sunny. A slight chance of Showers with isolated Thunderstorms. Hot with Highs around 101. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 23 Aug Austin

Partly cloudy with a slight chance of Showers with isolated Thunderstorms in the Evening, then mostly clear after midnight. Patchy fog after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 107 early in the evening.

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Dunn Lake Temperature Statistics

August Temperature

Brenham, Brenham Municipal Airport (13.7 miles)

  • Lowest 3 August, 2026

    69.8 °F

  • Average August

    85 °F

  • Highest 21 August, 2026

    100.6 °F

Climate (2021–2026)

Brenham, Brenham Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    60.9 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    81.7 °F
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