Sager Lake Weather Forecast

    • 56
    • 81

    Becoming Sunny

    • 59
    • 84

    Mostly Sunny

    • 56
    • 85

    Slight Chance Thunderstorms

    • 52
    • 79

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

    • 53
    • 78

    Partly Sunny

Today 25 May Allegan

Sunny. Areas of dense fog in the morning. Highs around 80. Southwest Winds around 10 Mph.

Tonight 25 May Allegan

Mostly clear. Lows in the upper 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sager Lake Temperature Statistics

May Temperature

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

  • Lowest 12 May, 2026

    32.6 °F

  • Average May

    54.6 °F

  • Highest 17 May, 2026

    85.6 °F

Climate (2021–Present)

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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