Green Valley State Park Weather Forecast

    • 46
    • 73

    Partly Sunny

    • 46
    • 79

    Slight Chance Rain Showers

    • 43
    • 67

    Mostly Sunny

    • 54
    • 74

    Chance Rain Showers

    • 49
    • 81

    Partly Sunny

    • 52
    • 76

    Partly Sunny

Today 8 May Union

Partly sunny early this Morning, then becoming mostly sunny. A chance of Showers this morning. Highs in the lower 70s. Northeast Winds around 5 Mph, becoming west this afternoon. Chance of rain 20 percent.

Tonight 8 May Union

Mostly clear. Lows in the mid 40s. Southwest Winds 5 to 10 Mph.

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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

    55.5 °F

  • Highest 4 May, 2026

    80.6 °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

    62.1 °F
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