Sager Lake Weather Forecast

    • 49
    • 68

    Rain Showers Likely

    • 46
    • 63

    Mostly Cloudy

    • 48
    • 62

    Mostly Cloudy

    • 49
    • 63

    Chance Rain Showers

    • 50
    • 66

    Mostly Cloudy

    • 48
    • 70

    Partly Sunny

Today 20 Sep Allegan

Rain Showers likely in the Morning, then a chance of rain Showers in the afternoon. Highs in the upper 60s. Northeast Winds 5 to 15 Mph with Gusts to around 25 Mph. Chance of rain 70 percent.

Tonight 20 Sep Allegan

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Northeast Winds 5 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sager Lake Temperature Statistics

September Temperature

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

  • Lowest 14 September, 2026

    45.6 °F

  • Average September

    69 °F

  • Highest 2 September, 2026

    92.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.7 °F
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