Casco Weather Forecast

    • 46
    • 63

    Slight Chance Rain Showers

    • 53
    • 75

    Partly Sunny

    • 57
    • 81

    Partly Sunny

    • 57
    • 84

    Slight Chance Thunderstorms

    • 52
    • 74

    Partly Sunny

    • 49
    • 70

    Mostly Sunny

Today 23 May Kewaunee

Mostly cloudy with a slight chance of Showers. Highs in the lower 60s. East wind 5 to 10 Mph. Chance of rain 20 percent.

Tonight 23 May Kewaunee

Mostly cloudy. A slight chance of Showers after midnight. Lows in the middle 40s. East wind around 5 Mph in the evening becoming light and variable. Chance of rain 20 percent.

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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

    49.3 °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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