Heart Lake Weather Forecast

    • 55
    • 80

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 55
    • 80

    Chance Thunderstorms

    • 49
    • 69

    Chance Rain Showers

    • 45
    • 64

    Slight Chance Rain Showers

    • 45
    • 63

    Mostly Cloudy

Today 15 Sep Baraga

Warm. Patchy fog in the morning. Sunny. Highs 79 to 84. South Winds 5 to 10 Mph.

Tonight 15 Sep Baraga

Clear. Patchy fog. Near steady temperature in the mid 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heart Lake Temperature Statistics

September Temperature

Marquette, Sawyer International Airport (39.8 miles)

  • Lowest 4 September, 2025

    37.4 °F

  • Average September

    53.3 °F

  • Highest 1 September, 2025

    77 °F

Climate (2020–Present)

Marquette, Sawyer International Airport (39.8 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    40.9 °F

  • Average High 2020–2025

    51.1 °F
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