Brown County State Lake Weather Forecast

    • 67
    • 88

    Rain Showers Likely

    • 62
    • 78

    Thunderstorms

    • 63
    • 80

    Partly Sunny

    • 67
    • 84

    Mostly Sunny

    • 72
    • 88

    Mostly Sunny

    • 74
    • 92

    Mostly Sunny

Today 4 Aug Brown

Partly sunny. Humid with Highs in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 4 Aug Brown

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brown County State Lake Temperature Statistics

August Temperature

Falls City, Brenner Field Airport (19.3 miles)

  • Lowest 1 August, 2026

    63 °F

  • Average August

    72.5 °F

  • Highest 1 August, 2026

    82 °F

Climate (2021–2026)

Falls City, Brenner Field Airport (19.3 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    66.9 °F
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