Heart Lake Weather Forecast

    • 45
    • 67

    Increasing Clouds

    • 42
    • 71

    Partly Sunny

    • 44
    • 62

    Chance Rain Showers

    • 45
    • 64

    Slight Chance Rain Showers

    • 43
    • 65

    Mostly Cloudy

    • 42
    • 65

    Mostly Cloudy

Today 16 Sep Baraga

Patchy fog in the morning. Mostly sunny. Highs in the upper 60s. Light northwest Winds, becoming northeast in the afternoon.

Tonight 16 Sep Baraga

Mostly cloudy with a 20 percent chance of rain Showers. Lows around 44 inland to around 51 at the shore. Southeast Winds 5 to 10 Mph, becoming south 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 13 September, 2026

    44.6 °F

  • Average September

    62.2 °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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