Blair Lake Weather Forecast

    • 56
    • 72

    Partly Sunny

    • 58
    • 82

    Chance Thunderstorms

    • 52
    • 75

    Mostly Sunny

    • 60
    • 76

    Chance Thunderstorms

    • 64
    • 81

    Chance Thunderstorms

    • 57
    • 80

    Chance Rain Showers

Today 10 Aug Mahnomen

Partly sunny. Highs 70 to 75. West Winds around 5 Mph.

Tonight 10 Aug Mahnomen

Partly cloudy. Lows in the mid 50s. Southwest Winds up to 10 Mph.

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Blair Lake Temperature Statistics

August Temperature

Fosston, Fosston Municipal Airport (11.8 miles)

  • Lowest 1 August, 2025

    50 °F

  • Average August

    67.4 °F

  • Highest 7 August, 2025

    84.2 °F

Climate (2020–Present)

Fosston, Fosston Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    30.1 °F

  • Average 2020–2025

    40 °F

  • Average High 2020–2025

    49.3 °F
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