Saint Charles Bay Weather Forecast
- 79
- 93
Slight Chance Thunderstorms
- 79
- 92
Chance Thunderstorms
- 80
- 92
Chance Rain Showers
- 81
- 92
Mostly Sunny
- 80
- 92
Mostly Sunny
- 79
- 92
Chance Rain Showers
Today 8 Sep Coastal Aransas
Partly cloudy this Morning, then becoming sunny. Hot with Highs in the mid 90s. South Winds around 5 Mph, increasing to southeast 10 to 15 Mph this afternoon. Heat index Values up to 111.
Tonight 8 Sep Coastal Aransas
Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 70s. Southeast Winds 10 to 15 Mph, becoming south around 5 Mph after midnight.
Saint Charles Bay Temperature Statistics
September Temperature
Rockport Aransas County Airport (12.4 miles)
Lowest 1 September, 2026
77.6 °FAverage September
87.8 °FHighest 4 September, 2026
96.7 °F
Climate (2021–2026)
Rockport Aransas County Airport (12.4 miles)
Average Low 2021–2026
67.7 °FAverage 2021–2026
74.8 °FAverage High 2021–2026
82.1 °F