Ahtanum Weather Forecast

    • 25
    • 42

    Rain Likely

    • 21
    • 41

    Chance Rain/Snow

    • 19
    • 37

    Chance Rain/Snow

    • 20
    • 34

    Chance Snow

    • 13
    • 29

    Slight Chance Snow

    • 11
    • 28

    Slight Chance Snow

Today 31 Jan Yakima Valley

Rain and freezing rain in the Morning, then rain likely in the afternoon. Highs in the 40s. South wind 5 to 10 Mph. Gusts up to 20 Mph in the afternoon. Chance of precipitation 90 percent.

Tonight 31 Jan Yakima Valley

Mostly cloudy with a chance of rain in the Evening, then mostly clear with a chance of rain or snow overnight. Lows in the mid 20s to lower 30s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ahtanum Temperature Statistics

January Temperature

Yakima Air Terminal - McAllister Field (3.7 miles)

  • Lowest 28 January, 2025

    12.9 °F

  • Average January

    31.7 °F

  • Highest 11 January, 2025

    52.6 °F

Climate (2020–Present)

Yakima Air Terminal - McAllister Field (3.7 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    65 °F
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