Rockport Weather Forecast

    • 36
    • 49

    Rain

    • 39
    • 51

    Rain/Snow

    • 40
    • 59

    Mostly Cloudy

    • 41
    • 63

    Mostly Cloudy

    • 43
    • 61

    Mostly Cloudy

    • 46
    • 65

    Mostly Cloudy

    • 46
    • 66

    Partly Sunny

Today 15 May Foothills and Valleys of the North Cascades

Rain Showers likely in the morning. A slight chance of Thunderstorms through the day. Rain Showers in the afternoon. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Highs in the lower to mid 50s. South wind 10 to 15 Mph.

Tonight 15 May Foothills and Valleys of the North Cascades

Rain Showers and a slight chance of Thunderstorms in the Evening, then rain late in the evening. Rain likely after midnight. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Lows near 40. South wind to 10 Mph in the evening becoming Light, Gusts to 20 Mph in the evening.

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Rockport Temperature Statistics

May Temperature

Arlington Municipal Airport (34.2 miles)

  • Lowest 12 May, 2026

    44.6 °F

  • Average May

    58.6 °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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