Sunnyside Municipal Airport Weather Forecast

    • 30
    • 62

    Mostly Sunny

    • 36
    • 65

    Mostly Sunny

    • 39
    • 70

    Mostly Sunny

    • 39
    • 70

    Mostly Sunny

    • 41
    • 73

    Mostly Sunny

    • 39
    • 73

    Partly Sunny

Today 12 Oct Yakima Valley

Sunny. Patchy frost in the morning. Highs in the upper 50s to lower 60s. Light wind.

Tonight 12 Oct Yakima Valley

Mostly clear. Lows in the 30s. Light wind.

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Sunnyside Municipal Airport Temperature Statistics

October Temperature

Sunnyside Municipal Airport (0 miles)

  • Lowest 7 October, 2026

    42.1 °F

  • Average October

    59.1 °F

  • Highest 5 October, 2026

    81.7 °F

Climate (2021–2026)

Sunnyside Municipal Airport (0 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    63.1 °F
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