Sunnyside Weather Forecast

    • 53
    • 88

    Sunny

    • 54
    • 90

    Sunny

    • 58
    • 95

    Sunny

    • 65
    • 99

    Hot

    • 65
    • 100

    Hot

    • 65
    • 101

    Hot

    • 65
    • 100

    Hot

Today 20 Aug Yakima Valley

Sunny. Highs in the mid to upper 80s. Northwest wind 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 20 Aug Yakima Valley

Clear. Lows in the 50s. Northwest wind 5 to 10 Mph with Gusts to around 20 Mph.

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Sunnyside Temperature Statistics

August Temperature

Sunnyside Municipal Airport (1.9 miles)

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  • Average August

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Climate (2020–Present)

Sunnyside Municipal Airport (1.9 miles)

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  • Average Low 2020–2025

    38.9 °F
  • Average 2020–2025

    51.4 °F
  • Average High 2020–2025

    63.6 °F
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