Hart Lake Weather Forecast

    • 59
    • 80

    Slight Chance Thunderstorms

    • 58
    • 78

    Partly Sunny

    • 61
    • 78

    Rain Showers Likely

    • 56
    • 76

    Rain Showers Likely

    • 54
    • 73

    Mostly Sunny

    • 57
    • 77

    Chance Rain Showers

    • 55
    • 76

    Chance Rain Showers

Today 12 Aug Mahnomen

Mostly sunny. Highs 80 to 85. North Winds around 5 Mph.

Tonight 12 Aug Mahnomen

Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms late this Evening, then a slight chance of Showers after midnight. Lows 55 to 60. Northeast Winds up to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hart Lake Temperature Statistics

August Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 5 August, 2026

    48.6 °F

  • Average August

    67 °F

  • Highest 2 August, 2026

    85.3 °F

Climate (2021–2026)

Mahnomen County Airport (10.6 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    41.8 °F

  • Average High 2021–2026

    51.1 °F
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