Willowcreek Weather Forecast

    • 52
    • 80

    Decreasing Clouds

    • 47
    • 75

    Partly Sunny

    • 48
    • 76

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 55
    • 85

    Partly Sunny

    • 54
    • 87

    Partly Sunny

    • 53
    • 84

    Mostly Sunny

Today 29 May Oregon Lower Treasure Valley

Mostly sunny. Highs 77 to 82. West Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 29 May Oregon Lower Treasure Valley

Partly cloudy. Lows 51 to 56. Windy. Northwest Winds 15 to 25 Mph with Gusts to 35 Mph.

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Willowcreek Temperature Statistics

May Temperature

Ontario Municipal Airport (18.6 miles)

  • Lowest 1 May, 2026

    36.6 °F

  • Average May

    64 °F

  • Highest 25 May, 2026

    92.6 °F

Climate (2021–Present)

Ontario Municipal Airport (18.6 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    67.3 °F
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