Hart Lake Weather Forecast

    • 54
    • 70

    Mostly Sunny

    • 55
    • 73

    Chance Rain

    • 32
    • 63

    Partly Sunny

    • 31
    • 46

    Mostly Cloudy

    • 29
    • 44

    Chance Rain/Snow

    • 33
    • 46

    Chance Rain

Today 22 Oct Mahnomen

Sunny. Highs 70 to 75. South Winds 5 to 15 Mph.

Tonight 22 Oct Mahnomen

Partly cloudy. Lows in the mid 50s. Southeast Winds 5 to 15 Mph.

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Hart Lake Temperature Statistics

October Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 19 October, 2026

    29.8 °F

  • Average October

    51.1 °F

  • Highest 10 October, 2026

    87.8 °F

Climate (2021–2026)

Mahnomen County Airport (10.6 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    41.7 °F

  • Average High 2021–2026

    51 °F
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