Hart Lake Weather Forecast

    • 57
    • 78

    Chance Rain Showers

    • 54
    • 78

    Chance Thunderstorms

    • 58
    • 84

    Chance Rain Showers

    • 58
    • 80

    Rain Showers Likely

    • 55
    • 79

    Chance Rain Showers

    • 57
    • 80

    Chance Thunderstorms

    • 58
    • 84

    Slight Chance Thunderstorms

Today 31 May Mahnomen

Mostly cloudy. Highs 75 to 80. Southeast Winds around 15 Mph.

Tonight 31 May Mahnomen

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers this Evening, then a chance of Showers after midnight. Lows in the mid 50s. Southeast Winds 5 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hart Lake Temperature Statistics

May Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 1 May, 2026

    25.2 °F

  • Average May

    54.2 °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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