Rockport State Park Weather Forecast

    • 56
    • 77

    Slight Chance Thunderstorms

    • 56
    • 82

    Mostly Sunny

    • 54
    • 79

    Partly Sunny

    • 51
    • 72

    Mostly Cloudy

    • 50
    • 72

    Partly Sunny

    • 52
    • 75

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

Today 22 Jul Foothills and Valleys of the North Cascades

Mostly sunny. A slight chance of Showers in the morning. Highs in the mid 70s to lower 80s. Light wind.

Tonight 22 Jul Foothills and Valleys of the North Cascades

Mostly clear. Lows in the 50s. Light wind.

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Rockport State Park Temperature Statistics

July Temperature

Arlington Municipal Airport (33.6 miles)

  • Lowest 4 July, 2025

    46 °F

  • Average July

    64.7 °F

  • Highest 16 July, 2025

    91 °F

Climate (2020–Present)

Arlington Municipal Airport (33.6 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    59.7 °F
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