Saint Johns Lake Weather Forecast

    • 27
    • 47

    Decreasing Clouds

    • 36
    • 56

    Partly Sunny

    • 30
    • 51

    Chance Rain Showers

    • 28
    • 47

    Partly Sunny

    • 30
    • 52

    Partly Sunny

    • 35
    • 54

    Chance Rain Showers

Today 7 May Baraga

Mostly cloudy with a 40 percent chance of Sprinkles. Highs in the upper 40s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 7 May Baraga

A chance of snow Showers in the evening. Mostly clear. Lows 27 to 32. Light southwest Winds. Chance of snow 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Johns Lake Temperature Statistics

May Temperature

Marquette, Sawyer International Airport (34.8 miles)

  • Lowest 2 May, 2026

    19.4 °F

  • Average May

    39.9 °F

  • Highest 4 May, 2026

    64.4 °F

Climate (2021–Present)

Marquette, Sawyer International Airport (34.8 miles)

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  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    40.9 °F

  • Average High 2021–2026

    51.1 °F
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