Casco Weather Forecast

    • 48
    • 74

    Mostly Sunny

    • 48
    • 67

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

    • 49
    • 70

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 52
    • 74

    Mostly Sunny

Today 27 May Kewaunee

Not as warm. Mostly sunny. Patchy fog in the morning. A slight chance of Showers in the afternoon. Highs in the middle 70s. Northeast wind 5 to 10 Mph. Chance of rain 20 percent.

Tonight 27 May Kewaunee

Clear. Lows in the upper 40s. Northeast wind 10 to 15 Mph.

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Casco Temperature Statistics

May Temperature

Door County Cherryland Airport (21.1 miles)

  • Lowest 2 May, 2026

    27 °F

  • Average May

    50.6 °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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