Blair Lake Weather Forecast

    • 56
    • 90

    Becoming Sunny

    • 58
    • 87

    Chance Rain Showers

    • 54
    • 85

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 57
    • 83

    Partly Sunny

    • 54
    • 78

    Partly Sunny

    • 54
    • 77

    Partly Sunny

Today 25 May Mahnomen

Mostly sunny. Highs 90 to 95. West Winds around 10 Mph.

Tonight 25 May Mahnomen

Mostly clear. Lows in the mid 50s. North Winds around 5 Mph shifting to the east after midnight.

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  • Temperature Real-Time

Blair Lake Temperature Statistics

May Temperature

Fosston, Fosston Municipal Airport (11.8 miles)

  • Lowest 7 May, 2026

    23 °F

  • Average May

    45.5 °F

  • Highest 14 May, 2026

    77 °F

Climate (2021–Present)

Fosston, Fosston Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    30.1 °F

  • Average 2021–2026

    40 °F

  • Average High 2021–2026

    49.4 °F
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