Green Valley State Park Weather Forecast

    • 47
    • 71

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 55
    • 77

    Mostly Cloudy

    • 57
    • 81

    Partly Sunny

    • 58
    • 79

    Mostly Cloudy

    • 58
    • 79

    Mostly Cloudy

Today 25 Aug Union

Sunny. Near steady temperature in the lower 70s. North Winds 5 to 10 Mph.

Tonight 25 Aug Union

Mostly clear. Lows in the upper 40s. North Winds 5 to 10 Mph.

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Green Valley State Park Temperature Statistics

August Temperature

Creston Municipal Airport (6.2 miles)

  • Lowest 3 August, 2025

    55.4 °F

  • Average August

    73.4 °F

  • Highest 16 August, 2025

    91.4 °F

Climate (2020–Present)

Creston Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    61.4 °F
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