Hart Lake Weather Forecast

    • 73
    • 94

    Sunny

    • 68
    • 94

    Mostly Sunny

    • 68
    • 90

    Partly Sunny

    • 68
    • 91

    Partly Sunny

    • 64
    • 86

    Mostly Sunny

    • 62
    • 85

    Slight Chance Thunderstorms

    • 61
    • 83

    Slight Chance Thunderstorms

Today 13 Jul Mahnomen

Sunny. Highs in the mid 90s. Breezy. Southwest Winds around 20 Mph.

Tonight 13 Jul Mahnomen

Clear. Lows 70 to 75. South Winds 10 to 20 Mph.

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  • Temperature Real-Time

Hart Lake Temperature Statistics

July Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 9 July, 2026

    54.5 °F

  • Average July

    71.4 °F

  • Highest 11 July, 2026

    89.8 °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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