Grandview Weather Forecast

    • 33
    • 46

    Mostly Cloudy

    • 30
    • 49

    Partly Sunny

    • 29
    • 43

    Mostly Cloudy

    • 33
    • 45

    Mostly Cloudy

    • 37
    • 52

    Mostly Cloudy

    • 33
    • 51

    Mostly Cloudy

    • 32
    • 49

    Partly Sunny

Today 8 Jan Yakima Valley

Partly cloudy. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 8 Jan Yakima Valley

Mostly cloudy. Lows in the lower 30s. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph.

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Grandview Temperature Statistics

January Temperature

Sunnyside Municipal Airport (5.6 miles)

  • Lowest 1 January, 2026

    23.7 °F

  • Average January

    35.7 °F

  • Highest 4 January, 2026

    50.5 °F

Climate (2021–Present)

Sunnyside Municipal Airport (5.6 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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