Rockport Weather Forecast

    • 46
    • 72

    Increasing Clouds

    • 45
    • 65

    Partly Sunny

    • 44
    • 63

    Slight Chance Rain

    • 44
    • 62

    Rain Likely

    • 40
    • 55

    Rain Likely

    • 40
    • 61

    Mostly Cloudy

    • 42
    • 61

    Chance Rain

Today 21 Sep Foothills and Valleys of the North Cascades

Sunny in the morning then becoming partly sunny. Areas of fog in the morning. Highs in the mid 60s to lower 70s. Light wind.

Tonight 21 Sep Foothills and Valleys of the North Cascades

Partly cloudy in the evening then becoming mostly cloudy. Lows near 50. South wind to 10 Mph. Gusts to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rockport Temperature Statistics

September Temperature

Arlington Municipal Airport (34.2 miles)

  • Lowest 16 September, 2026

    44.1 °F

  • Average September

    59.5 °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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