Rockport Weather Forecast

    • 45
    • 69

    Chance Rain Showers

    • 48
    • 71

    Partly Sunny

    • 49
    • 66

    Mostly Cloudy

    • 50
    • 71

    Partly Sunny

    • 53
    • 78

    Mostly Sunny

    • 52
    • 74

    Chance Rain

Today 5 Sep Foothills and Valleys of the North Cascades

Partly sunny. A slight chance of rain until late Afternoon, then a chance of Showers and a slight chance of Thunderstorms late in the afternoon. Highs in the upper 60s to mid 70s. Light wind.

Tonight 5 Sep Foothills and Valleys of the North Cascades

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms in the Evening, then mostly cloudy with a slight chance of rain late in the evening. Partly cloudy after midnight. Lows near 50. Light wind.

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Rockport Temperature Statistics

September Temperature

Arlington Municipal Airport (34.2 miles)

  • Lowest 1 September, 2026

    51.1 °F

  • Average September

    61.8 °F

  • Highest 2 September, 2026

    71.1 °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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