Mc Mahon Field Weather Forecast

    • 51
    • 75

    Sunny

    • 52
    • 78

    Partly Sunny

    • 53
    • 79

    Sunny

    • 53
    • 79

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

Today 16 Sep Yakima Valley

Sunny. Highs in the lower to mid 70s. Northeast wind 5 to 15 Mph.

Tonight 16 Sep Yakima Valley

Clear. Lows in the upper 40s to mid 50s. North wind 5 to 10 Mph with Gusts to around 20 Mph in the Evening, becoming light.

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Mc Mahon Field Temperature Statistics

September Temperature

Sunnyside Municipal Airport (12.4 miles)

  • Lowest 14 September, 2026

    42.4 °F

  • Average September

    60.5 °F

  • Highest 1 September, 2026

    85.5 °F

Climate (2021–2026)

Sunnyside Municipal Airport (12.4 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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