Sager Lake Weather Forecast

    • 68
    • 82

    Mostly Cloudy

    • 62
    • 78

    Rain Showers

    • 51
    • 76

    Partly Sunny

    • 58
    • 78

    Mostly Sunny

    • 60
    • 80

    Slight Chance Rain Showers

    • 59
    • 78

    Chance Rain Showers

Today 8 Sep Allegan

Mostly sunny in the morning then becoming partly sunny. Highs in the lower 80s. Southeast Winds around 10 Mph becoming south in the afternoon.

Tonight 8 Sep Allegan

Partly cloudy. A 20 percent chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. Light Winds becoming south 5 to 10 Mph with Gusts to around 20 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sager Lake Temperature Statistics

September Temperature

Grand Rapids, Gerald R. Ford International Airport (18 miles)

  • Lowest 6 September, 2026

    55 °F

  • Average September

    74.6 °F

  • Highest 2 September, 2026

    92.6 °F

Climate (2021–2026)

Grand Rapids, Gerald R. Ford International Airport (18 miles)

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

  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.7 °F
Get WillyWeather+ to remove ads