Hart Lake Weather Forecast

    • 42
    • 62

    Mostly Sunny

    • 44
    • 67

    Partly Sunny

    • 44
    • 65

    Chance Rain Showers

    • 45
    • 63

    Slight Chance Rain Showers

    • 52
    • 75

    Partly Sunny

    • 56
    • 82

    Mostly Sunny

Today 20 May Mahnomen

Sunny. Highs 60 to 65. South Winds up to 10 Mph.

Tonight 20 May Mahnomen

Mostly clear. Lows 40 to 45. South Winds 5 to 15 Mph. Gusts up to 25 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

    49.3 °F

  • Highest 15 May, 2026

    78.1 °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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