Hart Lake Weather Forecast

    • 67
    • 88

    Chance Thunderstorms

    • 60
    • 86

    Breezy

    • 54
    • 74

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 66
    • 83

    Slight Chance Thunderstorms

    • 68
    • 89

    Mostly Sunny

Today 19 Jul Mahnomen

Sunny. Highs 85 to 90. South Winds around 15 Mph.

Tonight 19 Jul Mahnomen

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the mid 60s. Southwest Winds 10 to 20 Mph with Gusts to around 30 Mph. Chance of rain 50 percent.

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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

    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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