Willowcreek Weather Forecast

    • 66
    • 98

    Hot

    • 64
    • 94

    Sunny

    • 63
    • 94

    Sunny

    • 67
    • 98

    Hot

    • 71
    • 101

    Hot

    • 70
    • 99

    Hot

    • 69
    • 97

    Slight Chance Thunderstorms

Today 19 Aug Oregon Lower Treasure Valley

Sunny. Highs 94 to 99. Northwest Winds up to 10 Mph.

Tonight 19 Aug Oregon Lower Treasure Valley

Mostly clear. Lows 61 to 67. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

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Willowcreek Temperature Statistics

August Temperature

Ontario Municipal Airport (18.6 miles)

  • Lowest 5 August, 2025

    52.6 °F

  • Average August

    77 °F

  • Highest 12 August, 2025

    101.6 °F

Climate (2020–Present)

Ontario Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67.1 °F
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