Rockport Weather Forecast

    • 41
    • 58

    Rain

    • 38
    • 59

    Increasing Clouds

    • 39
    • 64

    Mostly Sunny

    • 45
    • 63

    Rain Likely

    • 44
    • 56

    Rain

    • 43
    • 61

    Chance Rain

    • 41
    • 57

    Rain Likely

Today 25 Sep Foothills and Valleys of the North Cascades

Partly sunny. A slight chance of rain in the morning. Highs in the lower 60s.

Tonight 25 Sep Foothills and Valleys of the North Cascades

Showers and a slight chance of Thunderstorms in the Evening, then mostly cloudy with a chance of rain after midnight. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Lows in the 40s. South wind 10 to 20 Mph. Gusts to 30 Mph.

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Rockport Temperature Statistics

September Temperature

Arlington Municipal Airport (34.2 miles)

  • Lowest 16 September, 2026

    44.1 °F

  • Average September

    59 °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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