Hart Lake Weather Forecast

    • 62
    • 89

    Slight Chance Thunderstorms

    • 56
    • 83

    Mostly Cloudy

    • 57
    • 81

    Mostly Cloudy

    • 57
    • 86

    Chance Rain Showers

    • 60
    • 85

    Slight Chance Thunderstorms

    • 58
    • 81

    Chance Thunderstorms

    • 56
    • 77

    Chance Rain Showers

Today 29 May Mahnomen

Partly sunny with scattered Showers and a slight chance of Thunderstorms. Highs 85 to 90. Temperature falling through late afternoon. Southeast Winds around 10 Mph. Chance of rain 30 percent.

Tonight 29 May Mahnomen

Cloudy. Lows 60 to 65. Southeast Winds up to 10 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

    52.6 °F

  • Highest 25 May, 2026

    91.2 °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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