Green Valley State Park Weather Forecast

    • 9
    • 28

    Increasing Clouds

    • 1
    • 20

    Mostly Cloudy

    • -3
    • 13

    Partly Sunny

    • 7
    • 19

    Partly Sunny

    • 16
    • 29

    Chance Snow

    • 19
    • 35

    Mostly Cloudy

Today 28 Jan Union

Partly cloudy. Highs in the upper 20s. West Winds 5 to 10 Mph.

Tonight 28 Jan Union

Mostly cloudy. Lows around 9 above. Northeast Winds 5 to 10 Mph.

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Green Valley State Park Temperature Statistics

January Temperature

Creston Municipal Airport (6.2 miles)

  • Lowest 23 January, 2026

    -9.4 °F

  • Average January

    24.2 °F

  • Highest 7 January, 2026

    62.6 °F

Climate (2021–Present)

Creston Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61.6 °F
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