White Reservoir Weather Forecast

    • 55
    • 86

    Sunny

    • 57
    • 87

    Partly Sunny

    • 51
    • 80

    Mostly Sunny

    • 50
    • 76

    Partly Sunny

    • 51
    • 75

    Chance Rain Showers

    • 45
    • 68

    Chance Rain Showers

    • 43
    • 65

    Partly Sunny

Today 20 Sep Foothills of the Northern Blue Mountains of Oregon

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

Tonight 20 Sep Foothills of the Northern Blue Mountains of Oregon

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

White Reservoir Temperature Statistics

September Temperature

Walla Walla Regional Airport (16.8 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 (16.8 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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