Rockport Weather Forecast

    • 48
    • 73

    Mostly Sunny

    • 45
    • 71

    Partly Sunny

    • 45
    • 67

    Rain Likely

    • 43
    • 59

    Rain

    • 44
    • 62

    Slight Chance Rain

    • 46
    • 67

    Partly Sunny

Today 22 May Foothills and Valleys of the North Cascades

Sunny. Highs in the 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 22 May Foothills and Valleys of the North Cascades

Partly cloudy in the evening then becoming mostly cloudy. Lows near 50. West wind to 10 Mph in the evening becoming light.

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Rockport Temperature Statistics

May Temperature

Arlington Municipal Airport (34.2 miles)

  • Lowest 18 May, 2026

    42.1 °F

  • Average May

    56.5 °F

  • Highest 12 May, 2026

    84 °F

Climate (2021–Present)

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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