Heart Lake Weather Forecast

    • 55
    • 74

    Chance Thunderstorms

    • 52
    • 77

    Partly Sunny

    • 55
    • 78

    Partly Sunny

    • 55
    • 76

    Rain Showers Likely

    • 58
    • 74

    Chance Rain Showers

    • 52
    • 76

    Chance Rain Showers

Today 4 Sep Baraga

A chance of Showers in the Morning, then a slight chance of Showers in the afternoon. Mostly cloudy. Highs 73 to 78. Inland, southeast Winds 5 to 10 Mph, becoming light east in the afternoon. Near the Shore, east Winds 5 to 15 Mph. Chance of rain 50 percent.

Tonight 4 Sep Baraga

Cloudy with a 40 percent chance of Showers. Lows 54 to 59. Light east Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heart Lake Temperature Statistics

September Temperature

Marquette, Sawyer International Airport (39.8 miles)

  • Lowest 1 September, 2026

    59 °F

  • Average September

    70.5 °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 °F
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