Sunnyside Wildlife Recreation Area Weather Forecast

    • 24
    • 41

    Increasing Clouds

    • 23
    • 36

    Partly Sunny

    • 22
    • 35

    Mostly Cloudy

    • 23
    • 34

    Mostly Cloudy

    • 24
    • 34

    Mostly Cloudy

    • 27
    • 38

    Slight Chance Rain/Snow

Today 27 Dec Yakima Valley

Mostly sunny. Highs in the lower to mid 30s. Light wind.

Tonight 27 Dec Yakima Valley

Mostly cloudy. Lows in the lower 20s. Light wind.

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Sunnyside Wildlife Recreation Area Temperature Statistics

December Temperature

Sunnyside Municipal Airport (9.3 miles)

  • Lowest 22 December, 2025

    28 °F

  • Average December

    45.6 °F

  • Highest 15 December, 2025

    69.1 °F

Climate (2020–Present)

Sunnyside Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    63.6 °F
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