Casco Weather Forecast

    • 65
    • 75

    Rain Showers Likely

    • 67
    • 81

    Chance Thunderstorms

    • 69
    • 85

    Chance Thunderstorms

    • 67
    • 85

    Chance Thunderstorms

    • 63
    • 82

    Slight Chance Thunderstorms

    • 61
    • 79

    Slight Chance Rain Showers

    • 63
    • 79

    Slight Chance Rain Showers

Today 29 Aug Kewaunee

Humid. Showers. Temperatures in the upper 60s. Southwest wind 10 to 15 Mph.

Tonight 29 Aug Kewaunee

Muggy. Cloudy. A chance of Showers and a slight chance of Thunderstorms in the Evening, then Showers likely and a slight chance of Thunderstorms after midnight. Nearly steady temperature in the mid 60s. South wind 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casco Temperature Statistics

August Temperature

Door County Cherryland Airport (21.1 miles)

  • Lowest 19 August, 2026

    54 °F

  • Average August

    69 °F

  • Highest 16 August, 2026

    84 °F

Climate (2021–2026)

Door County Cherryland Airport (21.1 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    53.9 °F
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