San Antonio Bay - Swan Point Weather Forecast

    • 59
    • 67

    Rain Showers Likely

    • 58
    • 69

    Slight Chance Rain Showers

    • 64
    • 70

    Mostly Cloudy

    • 68
    • 73

    Mostly Cloudy

    • 69
    • 75

    Chance Rain Showers

    • 71
    • 75

    Chance Thunderstorms

Today 5 Apr Coastal Calhoun

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Cooler with Highs in the upper 60s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 5 Apr Coastal Calhoun

Cloudy with a 50 percent chance of Showers. Lows in the upper 50s. North Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph after midnight.

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San Antonio Bay - Swan Point Temperature Statistics

April Temperature

Rockport Aransas County Airport (29.2 miles)

  • Lowest 1 April, 2026

    73.7 °F

  • Average April

    78.7 °F

  • Highest 2 April, 2026

    84.7 °F

Climate (2021–Present)

Rockport Aransas County Airport (29.2 miles)

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  • Average Low 2021–2026

    67.6 °F

  • Average 2021–2026

    74.6 °F

  • Average High 2021–2026

    82 °F
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