Casco Weather Forecast

    • 63
    • 81

    Partly Sunny

    • 56
    • 81

    Rain Showers Likely

    • 56
    • 78

    Mostly Sunny

    • 59
    • 78

    Partly Sunny

    • 61
    • 81

    Rain Showers Likely

    • 57
    • 78

    Chance Rain Showers

Today 17 Aug Kewaunee

Partly cloudy. Nearly steady temperature in the upper 70s. West wind 5 to 10 Mph.

Tonight 17 Aug Kewaunee

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s. Southwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casco Temperature Statistics

August Temperature

Door County Cherryland Airport (21.1 miles)

  • Lowest 3 August, 2026

    55.9 °F

  • Average August

    69.9 °F

  • Highest 7 August, 2026

    82 °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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