Blair Lake Weather Forecast

    • 47
    • 66

    Chance Rain Showers

    • 47
    • 67

    Chance Rain Showers

    • 50
    • 66

    Chance Rain Showers

    • 50
    • 68

    Mostly Cloudy

    • 47
    • 67

    Mostly Cloudy

    • 48
    • 69

    Partly Sunny

Today 16 Sep Mahnomen

Sunny in the Morning, then mostly cloudy with a chance of Showers in the afternoon. Highs in the mid 60s. Southeast Winds up to 10 Mph. Chance of rain 50 percent.

Tonight 16 Sep Mahnomen

Mostly cloudy. A slight chance of Showers in the evening. Lows 45 to 50. Southeast Winds around 5 Mph shifting to the west after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blair Lake Temperature Statistics

September Temperature

Fosston, Fosston Municipal Airport (11.8 miles)

  • Lowest 13 September, 2026

    37.9 °F

  • Average September

    61.5 °F

  • Highest 10 September, 2026

    81.5 °F

Climate (2021–2026)

Fosston, Fosston Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    39.4 °F

  • Average High 2021–2026

    48.7 °F
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