Brennan Lake Weather Forecast

    • 59
    • 79

    Increasing Clouds

    • 64
    • 83

    Mostly Sunny

    • 64
    • 86

    Chance Thunderstorms

    • 53
    • 77

    Partly Sunny

    • 48
    • 69

    Mostly Sunny

    • 44
    • 63

    Partly Sunny

Today 18 Aug Rolette

Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming west up to 5 Mph in the afternoon.

Tonight 18 Aug Rolette

Increasing Clouds. Patchy fog. Lows in the upper 50s. Northeast Winds around 5 Mph, becoming southeast up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

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Brennan Lake Temperature Statistics

August Temperature

ROLLA (18.6 miles)

  • Lowest 15 August, 2025

    46.4 °F

  • Average August

    64.8 °F

  • Highest 7 August, 2025

    86 °F

Climate (2020–Present)

ROLLA (18.6 miles)

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  • Average Low 2020–2025

    28.5 °F

  • Average 2020–2025

    38.8 °F

  • Average High 2020–2025

    48.5 °F
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