Monson Lake State Park Weather Forecast

    • 32
    • 49

    Mostly Cloudy

    • 33
    • 49

    Mostly Cloudy

    • 31
    • 43

    Mostly Cloudy

    • 32
    • 45

    Mostly Cloudy

    • 37
    • 56

    Partly Sunny

    • 34
    • 57

    Mostly Sunny

    • 36
    • 56

    Partly Sunny

Today 29 Oct Swift

Mostly sunny. Near steady temperature in the upper 40s. North Winds 5 to 10 Mph.

Tonight 29 Oct Swift

Increasing Clouds. Patchy fog late in the night. Lows in the lower 30s. North Winds up to 5 Mph shifting to the southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monson Lake State Park Temperature Statistics

October Temperature

Willmar Municipal Airport - John L. Rice Field (16.2 miles)

  • Lowest 23 October, 2025

    28.4 °F

  • Average October

    54.3 °F

  • Highest 3 October, 2025

    89.6 °F

Climate (2020–Present)

Willmar Municipal Airport - John L. Rice Field (16.2 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    46.5 °F

  • Average High 2020–2025

    56.2 °F
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