Dewey Lake Weather Forecast

    • 61
    • 82

    Increasing Clouds

    • 59
    • 80

    Chance Rain Showers

    • 55
    • 72

    Partly Sunny

    • 50
    • 68

    Partly Sunny

    • 48
    • 69

    Mostly Sunny

    • 52
    • 74

    Mostly Sunny

Today 22 Aug Cass

Areas of fog in the morning. Mostly sunny. Highs in the lower 80s. Light and variable Winds, becoming west around 5 Mph in the afternoon.

Tonight 22 Aug Cass

Mostly clear. Areas of fog. Near steady temperature around 60. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Dewey Lake Temperature Statistics

August Temperature

Southwest Michigan Regional Airport (12.4 miles)

  • Lowest 2 August, 2025

    49.6 °F

  • Average August

    74.4 °F

  • Highest 9 August, 2025

    94.6 °F

Climate (2020–Present)

Southwest Michigan Regional Airport (12.4 miles)

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

  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    60.7 °F
Get WillyWeather+ to remove ads