Hart Lake Weather Forecast

    • 58
    • 76

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 66
    • 85

    Rain Showers Likely

    • 66
    • 88

    Slight Chance Thunderstorms

    • 67
    • 91

    Slight Chance Thunderstorms

    • 63
    • 87

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

Today 22 Jul Mahnomen

Sunny. Highs in the mid 70s. West Winds around 5 Mph.

Tonight 22 Jul Mahnomen

Mostly clear. Lows in the mid 50s. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hart Lake Temperature Statistics

July Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 9 July, 2026

    54.5 °F

  • Average July

    73.9 °F

  • Highest 12 July, 2026

    90.1 °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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