Onalaska Weather Forecast

    • 30
    • 52

    Mostly Sunny

    • 40
    • 64

    Sunny

    • 58
    • 70

    Mostly Cloudy

    • 50
    • 78

    Mostly Sunny

    • 48
    • 72

    Sunny

    • 52
    • 73

    Partly Sunny

Today 30 Dec Polk

Sunny. Highs in the lower 50s. North Winds 5 to 10 Mph.

Tonight 30 Dec Polk

Clear, cold with Lows in the upper 20s. Northwest Winds around 5 Mph, becoming west after midnight.

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Onalaska Temperature Statistics

December Temperature

Huntsville, Huntsville Municipal Airport (28 miles)

  • Lowest 15 December, 2025

    28 °F

  • Average December

    57.8 °F

  • Highest 21 December, 2025

    80.1 °F

Climate (2020–Present)

Huntsville, Huntsville Municipal Airport (28 miles)

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  • Average Low 2020–2025

    61.2 °F

  • Average 2020–2025

    71 °F

  • Average High 2020–2025

    81.3 °F
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