Guadalupe Bay Weather Forecast
- 82
- 88
Mostly Sunny
- 81
- 89
Rain Showers Likely
- 81
- 86
Rain Showers Likely
- 79
- 87
Mostly Sunny
- 79
- 89
Mostly Sunny
- 79
- 90
Slight Chance Thunderstorms
Today 15 Sep Coastal Calhoun
Sunny. Highs in the lower 90s. South Winds 5 to 10 Mph, increasing to southeast 10 to 15 Mph this afternoon.
Tonight 15 Sep Coastal Calhoun
Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 80s. Southeast Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight.
Guadalupe Bay Temperature Statistics
September Temperature
Rockport Aransas County Airport (29.8 miles)
Lowest 10 September, 2026
74.6 °FAverage September
87.6 °FHighest 4 September, 2026
96.7 °F
Climate (2021–2026)
Rockport Aransas County Airport (29.8 miles)
Average Low 2021–2026
67.7 °FAverage 2021–2026
74.8 °FAverage High 2021–2026
82.1 °F