Monson Lake Weather Forecast

    • 59
    • 81

    Becoming Sunny

    • 52
    • 77

    Mostly Sunny

    • 59
    • 78

    Partly Sunny

    • 62
    • 78

    Slight Chance Thunderstorms

    • 60
    • 83

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 59
    • 80

    Slight Chance Rain Showers

Today 21 Aug Swift

Mostly sunny. Highs in the lower 80s. North Winds 10 to 15 Mph.

Tonight 21 Aug Swift

Partly cloudy. Lows in the upper 50s. Northwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monson Lake Temperature Statistics

August Temperature

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

  • Lowest 5 August, 2026

    50 °F

  • Average August

    70 °F

  • Highest 12 August, 2026

    84.2 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.8 °F
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