Hart Lake Weather Forecast

    • 57
    • 66

    Rain Showers

    • 53
    • 66

    Rain Showers

    • 44
    • 69

    Partly Sunny

    • 38
    • 59

    Mostly Sunny

    • 40
    • 59

    Partly Sunny

    • 39
    • 59

    Mostly Cloudy

Today 28 Sep Mahnomen

Cloudy. A slight chance of Showers in the Morning, then Showers likely in the afternoon. Highs in the mid 60s. Southeast Winds 5 to 15 Mph with higher Gusts. Chance of rain 70 percent.

Tonight 28 Sep Mahnomen

A slight chance of Thunderstorms. Showers. Lows in the mid 50s. South Winds 10 to 20 Mph. Chance of rain near 100 percent.

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Hart Lake Temperature Statistics

September Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 13 September, 2026

    37 °F

  • Average September

    61.1 °F

  • Highest 3 September, 2026

    85.5 °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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