Union Lake Weather Forecast

    • 49
    • 65

    Rain Showers

    • 39
    • 59

    Mostly Cloudy

    • 34
    • 53

    Partly Sunny

    • 38
    • 54

    Partly Sunny

    • 37
    • 57

    Partly Sunny

    • 32
    • 52

    Mostly Cloudy

Today 16 Oct East Polk

Cloudy with a slight chance of Thunderstorms. Showers, mainly in the morning. Highs in the mid 60s. Southeast Winds 10 to 20 Mph. Chance of rain 80 percent.

Tonight 16 Oct East Polk

Showers and a slight chance of Thunderstorms. Lows in the mid 40s. Southeast Winds around 10 Mph. Chance of rain 90 percent.

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Union Lake Temperature Statistics

October Temperature

Fosston, Fosston Municipal Airport (13.7 miles)

  • Lowest 7 October, 2025

    28.4 °F

  • Average October

    56.5 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Fosston, Fosston Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    30.4 °F

  • Average 2020–2025

    40.2 °F

  • Average High 2020–2025

    49.6 °F
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