Copano Bay Entrance Weather Forecast

    • 65
    • 73

    Dense Fog

    • 66
    • 72

    Dense Fog

    • 65
    • 72

    Partly Sunny

    • 65
    • 73

    Partly Sunny

    • 65
    • 73

    Partly Sunny

    • 66
    • 73

    Partly Sunny

    • 60
    • 73

    Partly Sunny

Today 21 Dec Coastal Aransas

Mostly cloudy. Near steady temperature in the mid 70s. South Winds around 5 Mph.

Tonight 21 Dec Coastal Aransas

Mostly cloudy. Patchy fog in the Evening, then widespread fog after midnight. Lows in the lower 60s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Copano Bay Entrance Temperature Statistics

December Temperature

Rockport Aransas County Airport (3.1 miles)

  • Lowest 15 December, 2025

    37.9 °F

  • Average December

    58 °F

  • Highest 7 December, 2025

    80.1 °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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