Saint Johns Lake Weather Forecast

    • 41
    • 76

    Becoming Sunny

    • 48
    • 76

    Sunny

    • 49
    • 85

    Mostly Sunny

    • 44
    • 75

    Mostly Sunny

    • 45
    • 75

    Mostly Sunny

    • 45
    • 75

    Mostly Sunny

Today 27 May Baraga

Sunny. Highs in the lower 70s. Temperature falling into the middle 60s in the afternoon. Northeast Winds 5 to 10 Mph.

Tonight 27 May Baraga

Clear. Lows around 40. Light northeast Winds with Gusts up to 20 Mph, becoming east after midnight.

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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

    43.3 °F

  • Highest 15 May, 2026

    78.8 °F

Climate (2021–Present)

Marquette, Sawyer International Airport (34.8 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    40.8 °F

  • Average High 2021–2026

    51 °F
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