Weston Weather Forecast

    • 50
    • 72

    Becoming Sunny

    • 56
    • 79

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 49
    • 68

    Partly Sunny

    • 46
    • 64

    Chance Rain Showers

    • 45
    • 65

    Mostly Sunny

Today 8 Sep Foothills of the Northern Blue Mountains of Oregon

Sunny. Highs in the mid to upper 70s. South wind 5 to 10 Mph in the Morning, becoming light.

Tonight 8 Sep Foothills of the Northern Blue Mountains of Oregon

Clear. Lows in the mid 40s to lower 50s. Light Wind, becoming southeast 5 to 10 Mph overnight.

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Weston Temperature Statistics

September Temperature

Walla Walla Regional Airport (20.5 miles)

  • Lowest 4 September, 2026

    49.6 °F

  • Average September

    63.5 °F

  • Highest 1 September, 2026

    81.6 °F

Climate (2021–2026)

Walla Walla Regional Airport (20.5 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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