Aransas Bay - Lyndon B Johnson Causeway Weather Forecast

    • 54
    • 83

    Becoming Sunny

    • 56
    • 69

    Sunny

    • 64
    • 72

    Sunny

    • 68
    • 75

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 56
    • 67

    Mostly Cloudy

Today 11 Mar Coastal Aransas

Mostly cloudy with a chance of Showers and Thunderstorms this Morning, then partly cloudy this afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph, becoming southwest this afternoon. Chance of rain 40 percent.

Tonight 11 Mar Coastal Aransas

Mostly clear. Much cooler. Less humid with Lows around 50. North Winds 10 to 15 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph after midnight.

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Aransas Bay - Lyndon B Johnson Causeway Temperature Statistics

March Temperature

Rockport Aransas County Airport (3.7 miles)

  • Lowest 8 March, 2026

    60.1 °F

  • Average March

    75 °F

  • Highest 4 March, 2026

    83.6 °F

Climate (2021–Present)

Rockport Aransas County Airport (3.7 miles)

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  • Average Low 2021–2026

    67.5 °F

  • Average 2021–2026

    74.5 °F

  • Average High 2021–2026

    81.9 °F
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