Washington Lake Weather Forecast

    • -4
    • 19

    Mostly Cloudy

    • -13
    • 7

    Cold

    • -3
    • 6

    Cold

    • 8
    • 19

    Chance Snow

    • 7
    • 26

    Snow

    • -2
    • 14

    Mostly Cloudy

    • -5
    • 9

    Cold

Today 5 Dec Mahnomen

Cloudy. Highs 20 to 25. Northwest Winds around 10 Mph.

Tonight 5 Dec Mahnomen

Mostly cloudy. A chance of Flurries late this evening. Lows zero to 5 above. North Winds around 15 Mph decreasing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Washington Lake Temperature Statistics

December Temperature

Fosston, Fosston Municipal Airport (14.9 miles)

  • Lowest 3 December, 2025

    -9.4 °F

  • Average December

    6.8 °F

  • Highest 2 December, 2025

    19.4 °F

Climate (2020–Present)

Fosston, Fosston Municipal Airport (14.9 miles)

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  • Average Low 2020–2025

    30.6 °F

  • Average 2020–2025

    40.4 °F

  • Average High 2020–2025

    49.8 °F
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