Hart Lake Weather Forecast

    • 32
    • 49

    Mostly Cloudy

    • 32
    • 53

    Mostly Cloudy

    • 30
    • 57

    Mostly Cloudy

    • 29
    • 50

    Mostly Sunny

    • 40
    • 61

    Mostly Sunny

    • 35
    • 64

    Mostly Sunny

Today 13 Oct Mahnomen

Patchy fog this morning. Mostly cloudy. Highs 45 to 50. Northwest Winds 5 to 15 Mph.

Tonight 13 Oct Mahnomen

Mostly cloudy. Lows 30 to 35. Northwest Winds up to 10 Mph.

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Hart Lake Temperature Statistics

October Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 2 October, 2026

    32 °F

  • Average October

    53.9 °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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