Prescott Weather Forecast

    • 42
    • 66

    Decreasing Clouds

    • 47
    • 71

    Mostly Sunny

    • 52
    • 75

    Partly Sunny

    • 48
    • 73

    Partly Sunny

    • 48
    • 73

    Partly Sunny

    • 46
    • 72

    Mostly Sunny

Today 27 Sep Foothills of the Blue Mountains of Washington

Mostly cloudy. Highs in the mid to upper 60s. East wind 5 to 10 Mph in the Morning, becoming light.

Tonight 27 Sep Foothills of the Blue Mountains of Washington

Mostly clear. Lows in the upper 30s to lower 40s. 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

    65.2 °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

    45.4 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    64.5 °F
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