Pioneer Park Weather Forecast

    • 54
    • 85

    Sunny

    • 56
    • 87

    Sunny

    • 58
    • 88

    Mostly Sunny

    • 60
    • 88

    Partly Sunny

    • 58
    • 85

    Partly Sunny

    • 53
    • 79

    Partly Sunny

Today 16 Sep Foothills of the Blue Mountains of Washington

Sunny. Highs in the lower to mid 80s. Northeast wind 5 to 10 Mph.

Tonight 16 Sep Foothills of the Blue Mountains of Washington

Clear. Lows in the lower to mid 50s. East wind 5 to 10 Mph.

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Pioneer Park Temperature Statistics

September Temperature

Walla Walla Regional Airport (2.5 miles)

  • Lowest 13 September, 2025

    59 °F

  • Average September

    78 °F

  • Highest 2 September, 2025

    97 °F

Climate (2020–Present)

Walla Walla Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    64.1 °F
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