Rockport Weather Forecast

    • 39
    • 59

    Increasing Clouds

    • 39
    • 65

    Becoming Sunny

    • 46
    • 63

    Rain

    • 47
    • 58

    Rain

    • 44
    • 61

    Chance Rain

    • 44
    • 63

    Slight Chance Rain

    • 42
    • 62

    Partly Sunny

Today 26 Sep Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the mid to upper 60s.

Tonight 26 Sep Foothills and Valleys of the North Cascades

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 40s. Light wind.

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Rockport Temperature Statistics

September Temperature

Arlington Municipal Airport (34.2 miles)

  • Lowest 24 September, 2026

    43 °F

  • Average September

    58.7 °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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