Hart Lake Weather Forecast

    • 56
    • 79

    Becoming Sunny

    • 56
    • 76

    Partly Sunny

    • 59
    • 80

    Partly Sunny

    • 61
    • 81

    Chance Thunderstorms

    • 63
    • 84

    Slight Chance Thunderstorms

    • 61
    • 82

    Partly Sunny

Today 31 Aug Mahnomen

Sunny. Highs 75 to 80. West Winds 5 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 31 Aug Mahnomen

Mostly cloudy with a 30 percent chance of Showers. Lows 60 to 65. Southwest Winds around 10 Mph.

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Hart Lake Temperature Statistics

August Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 27 August, 2026

    45.5 °F

  • Average August

    66.8 °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

    32.1 °F

  • Average 2021–2026

    41.8 °F

  • Average High 2021–2026

    51.1 °F
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