Casco Weather Forecast

    • 12
    • 17

    Snow Likely

    • 0
    • 19

    Chance Snow

    • 5
    • 13

    Mostly Cloudy

    • 3
    • 17

    Partly Sunny

    • 8
    • 17

    Mostly Cloudy

    • 15
    • 24

    Mostly Cloudy

    • 13
    • 25

    Mostly Cloudy

Today 30 Dec Kewaunee

Light snow likely. Temperatures 16 to 18. West wind 10 to 15 Mph.

Tonight 30 Dec Kewaunee

Mostly cloudy. Light snow likely in the Evening, then a chance of Flurries after midnight. Snow accumulation around 1 inch. Nearly steady temperature around 14. West wind 5 to 10 Mph. Chance of snow 70 percent.

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Casco Temperature Statistics

December Temperature

Door County Cherryland Airport (21.1 miles)

  • Lowest 13 December, 2025

    -0.9 °F

  • Average December

    22.9 °F

  • Highest 18 December, 2025

    43 °F

Climate (2020–Present)

Door County Cherryland Airport (21.1 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    54 °F
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