Heart Lake Weather Forecast

    • 33
    • 59

    Becoming Sunny

    • 48
    • 65

    Rain Showers

    • 39
    • 67

    Partly Sunny

    • 44
    • 66

    Mostly Cloudy

    • 43
    • 67

    Slight Chance Rain Showers

    • 44
    • 67

    Chance Rain Showers

Today 13 Sep Baraga

Mostly cloudy with a slight chance of rain Showers in the Morning, then mostly sunny in the afternoon. Highs in the lower 60s. West Winds 5 to 15 Mph, becoming northwest in the afternoon. Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 13 Sep Baraga

Cool, clear. Patchy frost. Lows 30 to 35 inland to around 45 at the shore. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming light southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heart Lake Temperature Statistics

September Temperature

Marquette, Sawyer International Airport (39.8 miles)

  • Lowest 6 September, 2026

    48.2 °F

  • Average September

    63.3 °F

  • Highest 1 September, 2026

    89.6 °F

Climate (2021–2026)

Marquette, Sawyer International Airport (39.8 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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