Hart Lake Weather Forecast

    • 55
    • 77

    Chance Rain Showers

    • 56
    • 80

    Slight Chance Thunderstorms

    • 52
    • 79

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

    • 58
    • 78

    Chance Rain Showers

    • 59
    • 81

    Mostly Sunny

Today 19 Aug Mahnomen

Sunny. Highs 75 to 80. Southwest Winds around 5 Mph shifting to the northwest in the afternoon.

Tonight 19 Aug Mahnomen

Partly cloudy. A chance of Showers and a slight chance of Thunderstorms after midnight. Lows in the mid 50s. East Winds around 5 Mph shifting to the south after midnight. Chance of rain 40 percent.

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  • Temperature Real-Time

Hart Lake Temperature Statistics

August Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 5 August, 2026

    48.6 °F

  • Average August

    67.8 °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

    32.2 °F

  • Average 2021–2026

    41.8 °F

  • Average High 2021–2026

    51.1 °F
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