Heart Lake Weather Forecast

    • 45
    • 72

    Increasing Clouds

    • 52
    • 71

    Rain Showers Likely

    • 50
    • 68

    Rain Showers Likely

    • 33
    • 63

    Partly Sunny

    • 30
    • 59

    Mostly Sunny

    • 34
    • 62

    Mostly Cloudy

Today 28 Sep Baraga

Patchy fog in the morning. Mostly sunny. Highs in the lower 70s. Light north Winds, becoming northeast in the afternoon.

Tonight 28 Sep Baraga

Partly cloudy. Patchy fog. Lows around 47 inland to around 54 at the shore. Light southeast Winds, becoming south with Gusts up to 20 Mph 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 19 September, 2026

    32 °F

  • Average September

    56.7 °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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