Prescott Weather Forecast

    • 56
    • 85

    Mostly Sunny

    • 56
    • 87

    Increasing Clouds

    • 52
    • 78

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 50
    • 74

    Chance Rain Showers

    • 45
    • 66

    Chance Rain Showers

    • 44
    • 63

    Partly Sunny

Today 20 Sep Foothills of the Blue Mountains of Washington

Sunny. Highs in the lower to mid 80s. Light wind.

Tonight 20 Sep Foothills of the Blue Mountains of Washington

Clear. Lows in the mid to upper 50s. Light wind.

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Prescott Temperature Statistics

September Temperature

Walla Walla Regional Airport (13.7 miles)

  • Lowest 15 September, 2026

    48.7 °F

  • Average September

    64.1 °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

    54.9 °F

  • Average High 2021–2026

    64.5 °F
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