Yakima Delta Wildlife Nature Area Weather Forecast

    • 54
    • 74

    Chance Rain Showers

    • 57
    • 74

    Chance Rain Showers

    • 54
    • 79

    Slight Chance Rain Showers

    • 57
    • 82

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 60
    • 89

    Mostly Sunny

Today 5 Sep Lower Columbia Basin of Washington

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

Tonight 5 Sep Lower Columbia Basin of Washington

Mostly cloudy with a 20 percent chance of rain Showers. Lows in the mid 40s to lower 50s. Light wind.

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  • Temperature Real-Time

Yakima Delta Wildlife Nature Area Temperature Statistics

September Temperature

Tri-Cities Airport (6.2 miles)

  • Lowest 1 September, 2026

    55.7 °F

  • Average September

    67.2 °F

  • Highest 1 September, 2026

    85.6 °F

Climate (2021–2026)

Tri-Cities Airport (6.2 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    68 °F
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