Casco Weather Forecast

    • 3
    • 13

    Snow

    • -5
    • 7

    Slight Chance Snow

    • 3
    • 9

    Chance Snow

    • 1
    • 18

    Chance Snow

    • -3
    • 9

    Cold

    • -9
    • 6

    Slight Chance Snow

    • -10
    • 2

    Slight Chance Snow

Today 18 Jan Kewaunee

Light snow likely. Temperatures 9 to 11. West wind 10 to 15 Mph.

Tonight 18 Jan Kewaunee

Blustery. Light snow. Some blowing and Drifting snow after midnight. Snow accumulation around 1 inch. Lows zero to 5 above. West wind 10 to 15 Mph increasing to 15 to 25 Mph with Gusts to around 40 Mph after midnight. Chance of snow 80 percent. Lowest wind chill Readings to 15 below zero after midnight.

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Casco Temperature Statistics

January Temperature

Door County Cherryland Airport (21.1 miles)

  • Lowest 1 January, 2026

    3.9 °F

  • Average January

    25.6 °F

  • Highest 13 January, 2026

    43 °F

Climate (2021–Present)

Door County Cherryland Airport (21.1 miles)

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    54 °F
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