Hart Lake Weather Forecast

    • 55
    • 60

    Cloudy

    • 56
    • 66

    Chance Rain Showers

    • 54
    • 62

    Rain Showers

    • 54
    • 70

    Mostly Cloudy

    • 55
    • 68

    Rain Showers

    • 45
    • 61

    Chance Rain Showers

    • 45
    • 61

    Slight Chance Rain Showers

Today 24 Sep Mahnomen

Partly sunny. A slight chance of Showers. Highs 60 to 65.

Tonight 24 Sep Mahnomen

Cloudy. A slight chance of drizzle this evening. Patchy fog. Lows in the mid 50s. South Winds up to 10 Mph.

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Hart Lake Temperature Statistics

September Temperature

Mahnomen County Airport (10.6 miles)

  • Lowest 13 September, 2026

    37 °F

  • Average September

    61.4 °F

  • Highest 3 September, 2026

    85.5 °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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