Dewey Lake Weather Forecast

    • 61
    • 83

    Rain Showers Likely

    • 64
    • 76

    Rain Showers Likely

    • 59
    • 80

    Chance Rain Showers

    • 58
    • 77

    Rain Showers

    • 62
    • 79

    Rain Showers

    • 57
    • 75

    Chance Rain Showers

    • 54
    • 73

    Chance Rain Showers

Today 15 Sep Cass

Partly cloudy with a 20 percent chance of Showers. Highs in the lower 70s.

Tonight 15 Sep Cass

A chance of Thunderstorms. Showers likely. Lows in the lower 60s. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Dewey Lake Temperature Statistics

September Temperature

Southwest Michigan Regional Airport (12.4 miles)

  • Lowest 11 September, 2026

    50.6 °F

  • Average September

    73.8 °F

  • Highest 2 September, 2026

    95.6 °F

Climate (2021–2026)

Southwest Michigan Regional Airport (12.4 miles)

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

  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    60.8 °F
Get WillyWeather+ to remove ads