Rockport Weather Forecast

    • 48
    • 62

    Increasing Clouds

    • 44
    • 66

    Partly Sunny

    • 47
    • 74

    Sunny

    • 49
    • 77

    Sunny

    • 50
    • 75

    Mostly Sunny

    • 48
    • 72

    Partly Sunny

Today 14 Sep Foothills and Valleys of the North Cascades

Mostly cloudy. Areas of drizzle in the morning. Highs in the 60s. South wind to 10 Mph in the morning becoming light.

Tonight 14 Sep Foothills and Valleys of the North Cascades

Mostly cloudy. Lows near 50. Light wind becoming north to 10 Mph after midnight.

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Rockport Temperature Statistics

September Temperature

Arlington Municipal Airport (34.2 miles)

  • Lowest 8 September, 2026

    46 °F

  • Average September

    60.5 °F

  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Arlington Municipal Airport (34.2 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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