Dunn Lake Weather Forecast

    • 75
    • 96

    Mostly Cloudy

    • 75
    • 96

    Mostly Sunny

    • 76
    • 97

    Hot

    • 76
    • 97

    Hot

    • 73
    • 95

    Partly Sunny

    • 71
    • 94

    Partly Sunny

    • 73
    • 94

    Partly Sunny

Today 20 Sep Austin

Mostly sunny. Hot with Highs in the mid 90s. South Winds around 5 Mph.

Tonight 20 Sep Austin

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dunn Lake Temperature Statistics

September Temperature

Brenham, Brenham Municipal Airport (13.7 miles)

  • Lowest 18 September, 2026

    73.6 °F

  • Average September

    83.8 °F

  • Highest 2 September, 2026

    100 °F

Climate (2021–2026)

Brenham, Brenham Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    61 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    81.7 °F
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