Green Valley State Park Weather Forecast

    • 64
    • 87

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 64
    • 80

    Chance Rain Showers

    • 65
    • 79

    Chance Rain Showers

    • 67
    • 84

    Chance Thunderstorms

    • 65
    • 83

    Mostly Sunny

    • 65
    • 83

    Chance Rain Showers

Today 21 Aug Union

Sunny. Near steady temperature in the mid 80s. West Winds 5 to 10 Mph.

Tonight 21 Aug Union

Mostly clear. Humid with Lows in the mid 60s. Northwest Winds 5 to 10 Mph, becoming north after midnight.

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Green Valley State Park Temperature Statistics

August Temperature

Creston Municipal Airport (6.2 miles)

  • Lowest 17 August, 2026

    60.8 °F

  • Average August

    74.4 °F

  • Highest 11 August, 2026

    89.6 °F

Climate (2021–2026)

Creston Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    62.2 °F
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