Ahtanum Weather Forecast

    • 55
    • 78

    Rain Showers Likely

    • 58
    • 86

    Chance Rain Showers

    • 59
    • 91

    Mostly Sunny

    • 58
    • 93

    Sunny

    • 55
    • 90

    Sunny

    • 57
    • 88

    Mostly Sunny

    • 57
    • 90

    Sunny

Today 21 Jul Yakima Valley

Mostly cloudy. A chance of rain Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid to upper 70s. Northwest wind 5 to 10 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 21 Jul Yakima Valley

Partly cloudy. A 40 percent chance of rain Showers in the evening. Lows in the mid to upper 50s. Northwest wind 5 to 10 Mph.

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Ahtanum Temperature Statistics

July Temperature

Yakima Air Terminal - McAllister Field (3.7 miles)

  • Lowest 6 July, 2025

    49.6 °F

  • Average July

    78.1 °F

  • Highest 13 July, 2025

    102.7 °F

Climate (2020–Present)

Yakima Air Terminal - McAllister Field (3.7 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    65.1 °F
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