Hart Lake Weather Forecast

    • 38
    • 65

    Increasing Clouds

    • 40
    • 55

    Rain Showers

    • 35
    • 52

    Rain Showers

    • 31
    • 44

    Mostly Cloudy

    • 37
    • 58

    Partly Sunny

    • 43
    • 64

    Chance Rain Showers

    • 47
    • 67

    Mostly Cloudy

Today 16 May Mahnomen

Sunny. Highs in the mid 60s. Northwest Winds around 10 Mph.

Tonight 16 May Mahnomen

Mostly clear. Lows 35 to 40. Northeast Winds around 5 Mph increasing to east around 15 Mph after midnight.

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  • Temperature Real-Time

Hart Lake Temperature Statistics

May Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 1 May, 2026

    25.2 °F

  • Average May

    48.2 °F

  • Highest 14 May, 2026

    77.5 °F

Climate (2021–Present)

Mahnomen County Airport (10.6 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    41.9 °F

  • Average High 2021–2026

    51.2 °F
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