Blackduck Lake Weather Forecast

    • 54
    • 84

    Increasing Clouds

    • 58
    • 81

    Mostly Cloudy

    • 59
    • 79

    Mostly Cloudy

    • 61
    • 79

    Partly Sunny

    • 61
    • 83

    Partly Sunny

    • 57
    • 80

    Chance Rain Showers

    • 51
    • 73

    Chance Rain Showers

Today 28 Sep South Beltrami

Sunny. Highs 80 to 85. South Winds around 10 Mph.

Tonight 28 Sep South Beltrami

Mostly clear in the Evening, then mostly cloudy. Lows in the mid 50s. South Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackduck Lake Temperature Statistics

September Temperature

Bemidji (21.1 miles)

  • Lowest 7 September, 2025

    32.4 °F

  • Average September

    59.4 °F

  • Highest 16 September, 2025

    83.8 °F

Climate (2020–Present)

Bemidji (21.1 miles)

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  • Average Low 2020–2025

    30.4 °F

  • Average 2020–2025

    41.2 °F

  • Average High 2020–2025

    50.9 °F
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