Saint Johns Lake Weather Forecast

    • 39
    • 51

    Rain Showers

    • 23
    • 43

    Rain Showers

    • 30
    • 55

    Sunny

    • 35
    • 61

    Partly Sunny

    • 31
    • 63

    Mostly Sunny

    • 36
    • 64

    Mostly Sunny

Today 15 Oct Baraga

A slight chance of rain Showers in the Morning, then rain Showers in the afternoon. Highs in the mid 50s. Temperature falling into the upper 40s in the afternoon. South Winds 5 to 10 Mph. Chance of rain 100 percent.

Tonight 15 Oct Baraga

Rain Showers. Lows 37 to 42. Inland, light north Winds, increasing to 5 to 15 Mph after midnight. Near the Shore, light west Winds, increasing to north 15 to 25 Mph after midnight. Chance of rain 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Johns Lake Temperature Statistics

October Temperature

Marquette, Sawyer International Airport (34.8 miles)

  • Lowest 3 October, 2026

    30.2 °F

  • Average October

    51.9 °F

  • Highest 11 October, 2026

    80.6 °F

Climate (2021–2026)

Marquette, Sawyer International Airport (34.8 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    40.9 °F

  • Average High 2021–2026

    51.1 °F
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