Green Valley Weather Forecast

    • 57
    • 77

    Slight Chance Rain Showers

    • 47
    • 69

    Mostly Sunny

    • 39
    • 59

    Mostly Cloudy

    • 45
    • 61

    Mostly Sunny

    • 42
    • 68

    Partly Sunny

    • 37
    • 56

    Partly Sunny

Today 16 Oct Lyon

Partly sunny. Isolated Showers this afternoon. Much warmer with Highs in the upper 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 16 Oct Lyon

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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Green Valley Temperature Statistics

October Temperature

Marshall, Southwest Minnesota Regional Airport - Marshall/Ryan Field (5.6 miles)

  • Lowest 8 October, 2025

    34 °F

  • Average October

    60.7 °F

  • Highest 3 October, 2025

    90 °F

Climate (2020–Present)

Marshall, Southwest Minnesota Regional Airport - Marshall/Ryan Field (5.6 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.7 °F
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