Casco Weather Forecast

    • 61
    • 78

    Mostly Cloudy

    • 67
    • 76

    Rain Showers Likely

    • 57
    • 80

    Chance Rain Showers

    • 54
    • 75

    Mostly Sunny

    • 61
    • 78

    Chance Rain Showers

    • 57
    • 78

    Slight Chance Rain Showers

    • 55
    • 73

    Chance Rain Showers

Today 7 Sep Kewaunee

Mostly sunny. Highs in the upper 70s. South wind 5 to 10 Mph.

Tonight 7 Sep Kewaunee

Partly cloudy. Lows in the lower 60s. South wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casco Temperature Statistics

September Temperature

Door County Cherryland Airport (21.1 miles)

  • Lowest 5 September, 2026

    64.9 °F

  • Average September

    72 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

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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