Arlington State Park Weather Forecast

    • 71
    • 88

    Areas Smoke

    • 75
    • 97

    Areas Smoke

    • 75
    • 101

    Slight Chance Rain Showers

    • 70
    • 97

    Slight Chance Rain Showers

    • 67
    • 92

    Sunny

    • 65
    • 89

    Sunny

    • 65
    • 89

    Mostly Sunny

Today 20 Jul Eastern Columbia River Gorge of Washington

Cloudy. Highs in the upper 80s to lower 90s. East wind 5 to 10 Mph.

Tonight 20 Jul Eastern Columbia River Gorge of Washington

Mostly cloudy. Patchy smoke through the night. Lows in the mid 60s to lower 70s. Light wind.

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Arlington State Park Temperature Statistics

July Temperature

Sunnyside Municipal Airport (40.4 miles)

  • Lowest 1 July, 2026

    44.6 °F

  • Average July

    74 °F

  • Highest 15 July, 2026

    98.6 °F

Climate (2021–2026)

Sunnyside Municipal Airport (40.4 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    62.9 °F
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