Port Aransas Weather Forecast
- 83
- 88
Mostly Sunny
- 82
- 89
Mostly Sunny
- 83
- 89
Chance Thunderstorms
- 81
- 88
Slight Chance Thunderstorms
- 82
- 91
Mostly Sunny
- 82
- 91
Partly Sunny
- 81
- 91
Mostly Sunny
Today 6 Sep Nueces Islands
Sunny. Highs in the upper 80s. South Winds 5 to 10 Mph, increasing to southeast 10 to 15 Mph this afternoon.
Tonight 6 Sep Nueces Islands
Mostly clear. Near steady temperature in the mid 80s. Southeast Winds 10 to 15 Mph, becoming south 5 to 10 Mph after midnight.
Port Aransas Temperature Statistics
September Temperature
Port Aransas, Mustang Beach Airport (1.9 miles)
Lowest 1 September, 2026
82.2 °FAverage September
86.2 °FHighest 2 September, 2026
90 °F
Climate (2021–2026)
Port Aransas, Mustang Beach Airport (1.9 miles)
Average Low 2021–2026
69.4 °FAverage 2021–2026
73.9 °FAverage High 2021–2026
78.7 °F