Lake Arthur Weather Forecast

    • 59
    • 79

    Increasing Clouds

    • 56
    • 85

    Isolated Thunderstorms

    • 52
    • 77

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 54
    • 76

    Chance Rain Showers

    • 54
    • 75

    Partly Sunny

Today 5 Aug East Polk

Sunny. Highs 75 to 80. Southwest Winds 5 to 15 Mph.

Tonight 5 Aug East Polk

Partly cloudy. Lows 55 to 60. Southwest Winds 10 to 20 Mph.

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  • Temperature Real-Time

Lake Arthur Temperature Statistics

August Temperature

Fosston, Fosston Municipal Airport (21.1 miles)

  • Lowest 1 August, 2026

    53.6 °F

  • Average August

    69.8 °F

  • Highest 2 August, 2026

    84.2 °F

Climate (2021–2026)

Fosston, Fosston Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    39.3 °F

  • Average High 2021–2026

    48.6 °F
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