Prescott Weather Forecast

    • 48
    • 73

    Increasing Clouds

    • 49
    • 76

    Partly Sunny

    • 50
    • 79

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 52
    • 79

    Partly Sunny

    • 52
    • 80

    Partly Sunny

Today 30 Sep Foothills of the Blue Mountains of Washington

Mostly cloudy in the Morning, becoming partly cloudy. Highs in the lower to mid 70s. Southwest wind 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 30 Sep Foothills of the Blue Mountains of Washington

Partly cloudy. 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 27 September, 2026

    44.1 °F

  • Average September

    64.2 °F

  • Highest 20 September, 2026

    87.7 °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

    54.9 °F

  • Average High 2021–2026

    64.5 °F
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