Copano Bay Entrance Weather Forecast

    • 53
    • 58

    Chance Rain Showers

    • 60
    • 67

    Mostly Cloudy

    • 47
    • 72

    Breezy

    • 50
    • 60

    Mostly Sunny

    • 59
    • 65

    Mostly Sunny

    • 57
    • 73

    Mostly Sunny

Today 5 Dec Coastal Aransas

Cloudy with a 50 percent chance of Showers. Highs in the upper 50s. North Winds 5 to 10 Mph.

Tonight 5 Dec Coastal Aransas

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the lower 50s. North Winds around 5 Mph.

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Copano Bay Entrance Temperature Statistics

December Temperature

Rockport Aransas County Airport (3.1 miles)

  • Lowest 2 December, 2025

    42.1 °F

  • Average December

    51.6 °F

  • Highest 3 December, 2025

    62.1 °F

Climate (2020–Present)

Rockport Aransas County Airport (3.1 miles)

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  • Average Low 2020–2025

    67.3 °F

  • Average 2020–2025

    74.3 °F

  • Average High 2020–2025

    81.6 °F
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