Fort Atkinson State Historical Park Weather Forecast

    • 34
    • 42

    Increasing Clouds

    • 23
    • 44

    Partly Sunny

    • 33
    • 43

    Partly Sunny

    • 35
    • 53

    Partly Sunny

    • 36
    • 52

    Partly Sunny

    • 41
    • 56

    Partly Sunny

Today 19 Dec Washington

Mostly sunny. Highs in the lower 40s. Northwest Winds around 5 Mph, increasing to south 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 Dec Washington

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the lower 30s. South Winds 10 to 15 Mph, becoming west after midnight.

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Fort Atkinson State Historical Park Temperature Statistics

December Temperature

Blair Municipal Airport (5.6 miles)

  • Lowest 4 December, 2025

    -0.6 °F

  • Average December

    25.5 °F

  • Highest 16 December, 2025

    52.3 °F

Climate (2020–Present)

Blair Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    62.5 °F
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