Heart Lake Weather Forecast

    • 32
    • 62

    Sunny

    • 37
    • 64

    Mostly Sunny

    • 39
    • 64

    Partly Sunny

    • 38
    • 69

    Partly Sunny

    • 43
    • 68

    Mostly Cloudy

    • 44
    • 67

    Mostly Cloudy

Today 22 Sep Baraga

Areas of frost in the morning. Sunny. Highs in the mid 60s. East Winds 5 to 10 Mph.

Tonight 22 Sep Baraga

Clear. Patchy frost. Lows 30 to 35 inland to around 43 at the shore. Light east Winds, becoming southeast after midnight.

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Heart Lake Temperature Statistics

September Temperature

Marquette, Sawyer International Airport (39.8 miles)

  • Lowest 19 September, 2026

    32 °F

  • Average September

    59.2 °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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