Hart Lake Weather Forecast

    • 59
    • 89

    Mostly Sunny

    • 55
    • 87

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

Today 26 May Mahnomen

Sunny. Highs 85 to 90. Southeast Winds 5 to 15 Mph.

Tonight 26 May Mahnomen

Partly cloudy. Lows 55 to 60. East Winds 5 to 15 Mph.

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Hart Lake Temperature Statistics

May Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 1 May, 2026

    25.2 °F

  • Average May

    50 °F

  • Highest 24 May, 2026

    80.8 °F

Climate (2021–Present)

Mahnomen County Airport (10.6 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    41.8 °F

  • Average High 2021–2026

    51.1 °F
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