Green Valley State Park Weather Forecast

    • 39
    • 72

    Chance Rain

    • 38
    • 47

    Rain

    • 35
    • 56

    Rain

    • 36
    • 63

    Rain Likely

    • 29
    • 49

    Chance Rain

    • 33
    • 54

    Mostly Sunny

Today 31 Mar Union

Partly sunny in the Morning, then becoming mostly cloudy. A 20 percent chance of rain. Breezy with Highs in the lower 70s. Temperature falling into the lower 60s in the afternoon. West Winds 15 to 20 Mph, becoming north 20 to 25 Mph in the afternoon.

Tonight 31 Mar Union

Mostly cloudy with a chance of Thunderstorms. A chance of rain in the Evening, then rain likely after midnight. Much cooler with Lows around 40. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 60 percent.

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Green Valley State Park Temperature Statistics

March Temperature

Creston Municipal Airport (6.2 miles)

  • Lowest 16 March, 2026

    5 °F

  • Average March

    45.9 °F

  • Highest 21 March, 2026

    91.4 °F

Climate (2021–Present)

Creston Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    62 °F
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