Hart Lake Weather Forecast

    • 51
    • 85

    Rain Showers

    • 49
    • 70

    Becoming Sunny

    • 56
    • 76

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 59
    • 80

    Chance Rain Showers

    • 58
    • 80

    Partly Sunny

Today 3 Aug Mahnomen

Partly sunny with a chance of Showers and Thunderstorms. Highs 80 to 85. South Winds around 15 Mph. Chance of rain 50 percent.

Tonight 3 Aug Mahnomen

Mostly cloudy. Showers and a chance of Thunderstorms this evening. Patchy smoke. Some Thunderstorms may be severe with damaging Winds and large hail. Lows 50 to 55. Northwest Winds 10 to 20 Mph with Gusts to around 30 Mph. Chance of rain 90 percent.

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Hart Lake Temperature Statistics

August Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 1 August, 2026

    53.2 °F

  • Average August

    69.2 °F

  • Highest 1 August, 2026

    82.9 °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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