World Resorts USA Port Aransas Weather

Port Aransas 7 Days Forecast

23.09
wed
Day
84°F
W 13 mph
Precip.
6%
Night
84°F
W 14 mph
Precip.
26%
24.09
thu
Day
86°F
W 13 mph
Precip.
15%
Night
84°F
NW 16 mph
Precip.
21%
25.09
fri
Day
84°F
W 11 mph
Precip.
6%
Night
84°F
NW 18 mph
Precip.
7%
26.09
sat
Day
84°F
NW 11 mph
Precip.
7%
Night
84°F
NW 19 mph
Precip.
14%
27.09
sun
Day
82°F
NW 6 mph
Precip.
6%
Night
84°F
NW 18 mph
Precip.
5%
28.09
mon
Day
82°F
N 6 mph
Precip.
7%
Night
84°F
NW 18 mph
Precip.
11%
29.09
tue
Day
84°F
N 16 mph
Precip.
28%
Night
84°F
N 19 mph
Precip.
35%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 86.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.5°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 82.3°F. The highest and lowest sea temperatures during the month were 84.0°F and 78.1°F.

Air temperature in Port Aransas, °F

Precipitation total in Port Aransas, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Port Aransas

Sunniest months:
August 18 days
October 17 days
July 15 days
Warmest months:
August 87.9 °F
July 87.1 °F
June 86.0 °F
Warmest sea temp:
August 86.2 °F
September 85.5 °F
July 84.9 °F
Coldest months:
January 62.1 °F
February 63.1 °F
December 66.7 °F
Rainiest months:
July 3 days
May 2 days
September 2 days
Windiest months:
April 14.5 mph
May 14.0 mph
June 13.9 mph

Port Aransas on a weather map

Port Aransas
+84°F
NW 15 mph
Feels like: +95°F
Precip.: 7%
Places in USA:
Name
°F
+57°F
+57°F
+79°F
+81°F
+70°F
+81°F
+64°F
+59°F
+70°F
+59°F
+70°F
+77°F
+84°F
+59°F
24 Hours Forecast
Port Aransas
Local time: 01:01
September 23, wednesday
0300
84°F
NW
8 mph
0600
84°F
W
7 mph
0900
84°F
W
12 mph
1200
84°F
W
13 mph
1500
84°F
W
16 mph
1800
86°F
W
16 mph
2100
86°F
W
16 mph
September 24, thursday
0000
84°F
W
14 mph
Units of measurement: °C / °F