Sunnyside State Wildlife Recreation Area Weather Forecast

    • 31
    • 45

    Patchy Freezing Fog

    • 33
    • 47

    Patchy Freezing Fog

    • 36
    • 53

    Mostly Cloudy

    • 32
    • 52

    Mostly Cloudy

    • 31
    • 49

    Partly Sunny

    • 30
    • 48

    Partly Sunny

Today 10 Jan Yakima Valley

Mostly cloudy. Highs in the lower to mid 40s. Light wind.

Tonight 10 Jan Yakima Valley

Mostly cloudy. Lows in the lower to mid 30s. Light wind.

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Sunnyside State Wildlife Recreation Area Temperature Statistics

January Temperature

Sunnyside Municipal Airport (6.2 miles)

  • Lowest 1 January, 2026

    23.7 °F

  • Average January

    35.8 °F

  • Highest 4 January, 2026

    50.5 °F

Climate (2021–Present)

Sunnyside Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    63.6 °F
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