Washington Lake Weather Forecast

    • 31
    • 42

    Slight Chance Rain Showers

    • 26
    • 44

    Partly Sunny

    • 28
    • 47

    Mostly Sunny

    • 40
    • 55

    Partly Sunny

    • 46
    • 59

    Partly Sunny

    • 48
    • 60

    Chance Rain Showers

    • 39
    • 56

    Chance Rain Showers

Today 21 Oct Mahnomen

Cloudy with a 20 percent chance of Showers. Highs 40 to 45. Breezy. Northwest Winds around 20 Mph with Gusts to around 35 Mph.

Tonight 21 Oct Mahnomen

Mostly cloudy. A slight chance of rain Showers this evening. Lows 30 to 35. Northwest Winds 10 to 20 Mph. Gusts up to 30 Mph this evening. Chance of rain 20 percent.

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Washington Lake Temperature Statistics

October Temperature

Fosston, Fosston Municipal Airport (14.9 miles)

  • Lowest 7 October, 2025

    28.4 °F

  • Average October

    53.6 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Fosston, Fosston Municipal Airport (14.9 miles)

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  • Average Low 2020–2025

    30.4 °F

  • Average 2020–2025

    40.3 °F

  • Average High 2020–2025

    49.7 °F
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