Birch Lake Park Weather Forecast

    • 61
    • 76

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 60
    • 78

    Chance Rain Showers

    • 53
    • 73

    Mostly Sunny

    • 49
    • 66

    Mostly Sunny

    • 46
    • 66

    Mostly Sunny

Today 20 Aug Iowa

Partly sunny. Near steady temperature in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 20 Aug Iowa

Partly cloudy. Areas of fog after midnight. Lows in the lower 60s. Northeast Winds up to 5 Mph.

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Birch Lake Park Temperature Statistics

August Temperature

Iowa County Airport (18 miles)

  • Lowest 1 August, 2025

    50 °F

  • Average August

    69.6 °F

  • Highest 8 August, 2025

    84.2 °F

Climate (2020–Present)

Iowa County Airport (18 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    58.8 °F
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