Casco Weather Forecast

    • 38
    • 55

    Increasing Clouds

    • 42
    • 54

    Mostly Cloudy

    • 44
    • 59

    Mostly Cloudy

    • 46
    • 61

    Mostly Cloudy

    • 49
    • 68

    Partly Sunny

    • 51
    • 73

    Partly Sunny

Today 20 May Kewaunee

Cooler. Mostly sunny. Highs in the middle 50s. North wind 5 to 10 Mph shifting to the northeast in the afternoon.

Tonight 20 May Kewaunee

Colder. Mostly cloudy. Lows in the middle 40s. North wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casco Temperature Statistics

May Temperature

Door County Cherryland Airport (21.1 miles)

  • Lowest 2 May, 2026

    27 °F

  • Average May

    48.3 °F

  • Highest 16 May, 2026

    84 °F

Climate (2021–Present)

Door County Cherryland Airport (21.1 miles)

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  • Average Low 2021–2026

    39.8 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    53.9 °F
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