Priest Rapids Lake Weather Forecast

    • 59
    • 74

    Slight Chance Rain Showers

    • 57
    • 79

    Partly Sunny

    • 60
    • 81

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

Today 6 Sep Yakima Valley

Mostly cloudy with a 50 percent chance of rain Showers. Highs in the upper 60s to lower 70s. Light Wind, becoming northwest 5 to 10 Mph in the afternoon. Rainfall Amounts less than a tenth of an inch.

Tonight 6 Sep Yakima Valley

Mostly cloudy. A 20 percent chance of rain Showers in the evening. Lows in the upper 40s to lower 50s. West wind 5 to 10 Mph.

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Priest Rapids Lake Temperature Statistics

September Temperature

Sunnyside Municipal Airport (23 miles)

  • Lowest 3 September, 2026

    46.2 °F

  • Average September

    63.2 °F

  • Highest 1 September, 2026

    85.5 °F

Climate (2021–2026)

Sunnyside Municipal Airport (23 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    63 °F
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