Casco Weather Forecast

    • 57
    • 71

    Increasing Clouds

    • 59
    • 70

    Rain Showers Likely

    • 47
    • 68

    Chance Rain Showers

    • 43
    • 62

    Partly Sunny

    • 45
    • 61

    Partly Sunny

    • 41
    • 62

    Partly Sunny

Today 29 Sep Kewaunee

Partly sunny. Areas of fog in the morning. Highs around 70. Light and variable wind becoming south 10 to 15 Mph in the afternoon.

Tonight 29 Sep Kewaunee

Showers likely in the Evening, then Showers and a slight chance of Thunderstorms after midnight. Lows in the upper 50s. South wind 10 to 15 Mph. Chance of rain near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Casco Temperature Statistics

September Temperature

Door County Cherryland Airport (21.1 miles)

  • Lowest 14 September, 2026

    45 °F

  • Average September

    64.2 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

Door County Cherryland Airport (21.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.8 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    53.9 °F
Get WillyWeather+ to remove ads