Heart Lake Weather Forecast

    • 41
    • 61

    Slight Chance Rain Showers

    • 36
    • 59

    Slight Chance Rain Showers

    • 34
    • 58

    Partly Sunny

    • 36
    • 62

    Mostly Sunny

    • 40
    • 64

    Partly Sunny

    • 41
    • 67

    Partly Sunny

Today 19 Sep Baraga

Mostly cloudy. A slight chance of rain Showers in the afternoon. Highs in the mid 60s. Temperature falling into the upper 50s in the afternoon. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 19 Sep Baraga

Mostly cloudy in the Evening, then partly cloudy with a slight chance of rain Showers after midnight. Patchy fog after midnight. Lows around 41 inland to around 50 at the shore. Light southeast Winds, becoming north 5 to 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Heart Lake Temperature Statistics

September Temperature

Marquette, Sawyer International Airport (39.8 miles)

  • Lowest 14 September, 2026

    35.6 °F

  • Average September

    60.6 °F

  • Highest 1 September, 2026

    89.6 °F

Climate (2021–2026)

Marquette, Sawyer International Airport (39.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    40.9 °F

  • Average High 2021–2026

    51.1 °F
Get WillyWeather+ to remove ads