Olney Lake Weather Forecast

    • 55
    • 72

    Sunny

    • 56
    • 79

    Sunny

    • 58
    • 79

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

    • 49
    • 71

    Mostly Sunny

Today 16 Sep Yakima Valley

Sunny. Highs in the upper 70s to lower 80s. Northeast wind 5 to 10 Mph.

Tonight 16 Sep Yakima Valley

Mostly clear. Lows in the 50s. Light wind.

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  • Temperature Real-Time

Olney Lake Temperature Statistics

September Temperature

Yakima Air Terminal - McAllister Field (21.1 miles)

  • Lowest 12 September, 2025

    51.1 °F

  • Average September

    72.7 °F

  • Highest 3 September, 2025

    99 °F

Climate (2020–Present)

Yakima Air Terminal - McAllister Field (21.1 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    65.2 °F
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