Prescott Weather Forecast

    • 46
    • 73

    Chance Rain Showers

    • 49
    • 73

    Rain Showers Likely

    • 48
    • 73

    Chance Rain Showers

    • 50
    • 79

    Partly Sunny

    • 53
    • 85

    Partly Sunny

    • 55
    • 86

    Partly Sunny

Today 5 Sep Foothills of the Blue Mountains of Washington

Partly cloudy. A 20 percent chance of rain Showers in the afternoon. Highs in the lower to mid 70s. Light wind.

Tonight 5 Sep Foothills of the Blue Mountains of Washington

Mostly cloudy. A 40 percent chance of rain Showers in the evening. Lows in the mid to upper 40s. Light wind. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prescott Temperature Statistics

September Temperature

Walla Walla Regional Airport (13.7 miles)

  • Lowest 2 September, 2026

    57.9 °F

  • Average September

    68.6 °F

  • Highest 1 September, 2026

    80.1 °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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