Prescott Weather Forecast

    • 46
    • 71

    Increasing Clouds

    • 47
    • 70

    Mostly Cloudy

    • 48
    • 77

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

    • 51
    • 80

    Mostly Sunny

    • 51
    • 81

    Mostly Sunny

Today 14 Sep Foothills of the Blue Mountains of Washington

Partly cloudy in the morning then clearing. Highs in the upper 60s to lower 70s. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 14 Sep Foothills of the Blue Mountains of Washington

Mostly clear. Lows in the mid to upper 40s. Light wind.

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Prescott Temperature Statistics

September Temperature

Walla Walla Regional Airport (13.7 miles)

  • Lowest 4 September, 2026

    49.6 °F

  • Average September

    64.9 °F

  • Highest 9 September, 2026

    86.6 °F

Climate (2021–2026)

Walla Walla Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.5 °F
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