Saint Marys Lake Weather Forecast

    • 25
    • 41

    Decreasing Clouds

    • 34
    • 45

    Chance Rain/Snow

    • 48
    • 64

    Rain Showers

    • 37
    • 60

    Mostly Cloudy

    • 36
    • 56

    Chance Rain Showers

    • 35
    • 54

    Chance Rain Showers

Today 31 Mar Calhoun

Mostly cloudy. Highs in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 31 Mar Calhoun

Mostly clear. Lows in the mid 20s. North Winds 5 to 15 Mph.

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Saint Marys Lake Temperature Statistics

March Temperature

W K Kellogg Airport (5 miles)

  • Lowest 2 March, 2025

    16.8 °F

  • Average March

    42.9 °F

  • Highest 14 March, 2025

    77.6 °F

Climate (2020–Present)

W K Kellogg Airport (5 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    60.6 °F
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