Hart Lake Weather Forecast

    • 34
    • 62

    Breezy

    • 46
    • 63

    Mostly Sunny

    • 59
    • 77

    Partly Sunny

    • 35
    • 72

    Rain Likely

    • 28
    • 46

    Slight Chance Rain/Snow

    • 28
    • 43

    Mostly Cloudy

Today 20 Apr Mahnomen

Mostly sunny. Highs 60 to 65. Breezy. Southwest Winds 15 to 25 Mph with Gusts to around 35 Mph.

Tonight 20 Apr Mahnomen

Clear. Lows in the mid 30s. Northwest Winds around 5 Mph shifting to the northeast after midnight.

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Hart Lake Temperature Statistics

April Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 7 April, 2026

    1.4 °F

  • Average April

    34.7 °F

  • Highest 16 April, 2026

    77.5 °F

Climate (2021–Present)

Mahnomen County Airport (10.6 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    41.9 °F

  • Average High 2021–2026

    51.2 °F
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