Green Valley State Park Weather Forecast

    • 62
    • 78

    Chance Thunderstorms

    • 61
    • 77

    Rain Showers Likely

    • 63
    • 81

    Rain Showers Likely

    • 62
    • 84

    Chance Thunderstorms

    • 58
    • 81

    Slight Chance Thunderstorms

    • 60
    • 81

    Slight Chance Thunderstorms

Today 29 May Union

Mostly cloudy. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 29 May Union

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Valley State Park Temperature Statistics

May Temperature

Creston Municipal Airport (6.2 miles)

  • Lowest 2 May, 2026

    33.8 °F

  • Average May

    62.1 °F

  • Highest 15 May, 2026

    86 °F

Climate (2021–Present)

Creston Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    62.2 °F
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