Hart Lake Weather Forecast

    • 38
    • 61

    Mostly Sunny

    • 51
    • 64

    Partly Sunny

    • 45
    • 69

    Mostly Sunny

    • 43
    • 64

    Partly Sunny

    • 41
    • 62

    Partly Sunny

    • 48
    • 61

    Partly Sunny

Today 4 Oct Mahnomen

Sunny. Highs 60 to 65. Northwest Winds 5 to 15 Mph.

Tonight 4 Oct Mahnomen

Mostly clear. Lows 35 to 40. Light and variable Winds becoming southeast around 5 Mph after midnight.

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Hart Lake Temperature Statistics

October Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 1 October, 2026

    40.1 °F

  • Average October

    49.7 °F

  • Highest 1 October, 2026

    60.3 °F

Climate (2021–2026)

Mahnomen County Airport (10.6 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    41.8 °F

  • Average High 2021–2026

    51 °F
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