Heart Lake Weather Forecast

    • 43
    • 65

    Mostly Sunny

    • 45
    • 71

    Chance Thunderstorms

    • 34
    • 58

    Partly Sunny

    • 42
    • 67

    Partly Sunny

    • 47
    • 70

    Partly Sunny

    • 47
    • 72

    Partly Sunny

Today 26 Aug Baraga

Sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 26 Aug Baraga

Clear in the Evening, then partly cloudy with a slight chance of rain Showers after midnight. Lows around 44 inland to around 54 at the shore. Temperature rising to around 50 after midnight. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Heart Lake Temperature Statistics

August Temperature

Marquette, Sawyer International Airport (39.8 miles)

  • Lowest 1 August, 2025

    44.6 °F

  • Average August

    64.1 °F

  • Highest 8 August, 2025

    89.6 °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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