San Antonio Bay - Swan Point Weather Forecast

    • 81
    • 87

    Slight Chance Thunderstorms

    • 82
    • 87

    Mostly Sunny

    • 81
    • 86

    Mostly Sunny

    • 81
    • 90

    Mostly Sunny

    • 81
    • 90

    Slight Chance Thunderstorms

    • 80
    • 90

    Mostly Sunny

Today 28 Aug Coastal Calhoun

Partly cloudy with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. Northwest Winds around 5 Mph, increasing to southeast this afternoon. Chance of rain 20 percent. Heat index Values up to 110.

Tonight 28 Aug Coastal Calhoun

Mostly clear. Lows in the upper 70s. Southeast Winds 5 to 10 Mph, becoming south after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Antonio Bay - Swan Point Temperature Statistics

August Temperature

Rockport Aransas County Airport (29.2 miles)

  • Lowest 2 August, 2026

    73.7 °F

  • Average August

    86.8 °F

  • Highest 22 August, 2026

    94.6 °F

Climate (2021–2026)

Rockport Aransas County Airport (29.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    67.7 °F

  • Average 2021–2026

    74.8 °F

  • Average High 2021–2026

    82.1 °F
Get WillyWeather+ to remove ads