Arlington State Park Weather Forecast

    • 36
    • 47

    Mostly Cloudy

    • 38
    • 49

    Mostly Cloudy

    • 39
    • 53

    Mostly Cloudy

    • 35
    • 54

    Partly Sunny

    • 35
    • 50

    Mostly Sunny

    • 33
    • 46

    Partly Sunny

Today 10 Jan Eastern Columbia River Gorge of Washington

Mostly cloudy. Highs in the mid 40s to lower 50s. Light wind.

Tonight 10 Jan Eastern Columbia River Gorge of Washington

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

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Arlington State Park Temperature Statistics

January Temperature

Sunnyside Municipal Airport (40.4 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 (40.4 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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