Heart Lake Weather Forecast

    • 29
    • 53

    Decreasing Clouds

    • 34
    • 62

    Mostly Sunny

    • 39
    • 63

    Chance Rain Showers

    • 41
    • 58

    Chance Rain Showers

    • 45
    • 64

    Slight Chance Rain Showers

    • 49
    • 75

    Partly Sunny

Today 20 May Baraga

Widespread frost in the morning. Mostly sunny. Highs 51 to 56 inland to around 50 at the shore. Northwest Winds 5 to 10 Mph, becoming north in the afternoon.

Tonight 20 May Baraga

Mostly clear. Areas of frost in the evening. Widespread frost after midnight. Lows 30 to 35. Light northeast Winds, becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heart Lake Temperature Statistics

May Temperature

Marquette, Sawyer International Airport (39.8 miles)

  • Lowest 2 May, 2026

    19.4 °F

  • Average May

    41.4 °F

  • Highest 15 May, 2026

    78.8 °F

Climate (2021–Present)

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 °F
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