Green Valley State Park Weather Forecast

    • 11
    • 21

    Increasing Clouds

    • 20
    • 38

    Slight Chance Snow

    • 19
    • 37

    Mostly Cloudy

    • 14
    • 32

    Mostly Cloudy

    • 17
    • 31

    Mostly Cloudy

    • 29
    • 45

    Partly Sunny

Today 31 Jan Union

Mostly sunny. Highs in the lower 20s. Northwest Winds around 5 Mph, becoming southwest this afternoon.

Tonight 31 Jan Union

Mostly cloudy. A chance of snow after midnight. Little or no snow accumulation. Not as cool with Lows around 11. South Winds 10 to 15 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Valley State Park Temperature Statistics

January Temperature

Creston Municipal Airport (6.2 miles)

  • Lowest 23 January, 2026

    -9.4 °F

  • Average January

    23.1 °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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