Washington Lake Weather Forecast

    • 50
    • 62

    Rain Showers Likely

    • 54
    • 75

    Areas Smoke

    • 61
    • 74

    Rain Showers Likely

    • 64
    • 76

    Chance Thunderstorms

    • 62
    • 81

    Chance Thunderstorms

    • 59
    • 77

    Chance Rain Showers

    • 61
    • 78

    Chance Rain Showers

Today 18 Jul Mahnomen

Showers and a chance of Thunderstorms. Highs in the mid 60s. East Winds around 10 Mph. Chance of rain 90 percent.

Tonight 18 Jul Mahnomen

Mostly cloudy. Patchy fog after midnight. Lows 50 to 55. Northeast Winds up to 10 Mph.

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Washington Lake Temperature Statistics

July Temperature

Fosston, Fosston Municipal Airport (14.9 miles)

  • Lowest 16 July, 2025

    50 °F

  • Average July

    68.4 °F

  • Highest 4 July, 2025

    91.4 °F

Climate (2020–Present)

Fosston, Fosston Municipal Airport (14.9 miles)

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  • Average Low 2020–2025

    30.2 °F

  • Average 2020–2025

    40.1 °F

  • Average High 2020–2025

    49.5 °F
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