Green Valley State Park Weather Forecast

    • 42
    • 58

    Breezy

    • 48
    • 72

    Partly Sunny

    • 58
    • 83

    Mostly Cloudy

    • 31
    • 68

    Chance Rain Showers

    • 33
    • 50

    Chance Rain/Snow

    • 39
    • 54

    Chance Rain Showers

Today 28 Mar Union

Sunny, windy with Highs in the upper 50s. South Winds 15 to 20 Mph, increasing to 20 to 30 Mph in the afternoon.

Tonight 28 Mar Union

Partly cloudy and breezy. Not as cool with Lows in the lower 40s. South Winds 15 to 25 Mph.

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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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