Measurements:
°C
°F
Port Aransas
88°F
N 11 mph
Feels like: 98°F
Precip: 0%
World Resorts USA Port Aransas Weather

Port Aransas Sea Water Temperature

Current Sea Water Temperature:
+83.6°F
Maximum Sea Water Temperature in May: 88.6°F
Minimum Sea Water Temperature in May: 76.2°F
Average water temperature in May: 82.6°F

Sea Water Temperature for the Last 10 Days:

May 14 83.6°F May 09 80.6°F
May 13 82.0°F May 08 80.4°F
May 12 81.0°F May 07 80.2°F
May 11 79.4°F May 06 78.6°F
May 10 82.0°F May 05 79.0°F

When is the Warmest Sea for Port Aransas?

According to our data for the last three years for Port Aransas the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Port Aransas was 90.4°F. The maximum and minimum values were 88.6°F and 91.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Port Aransas was 89.7°F. The maximum and minimum values were 88.0°F and 91.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Port Aransas was 88.3°F. The maximum and minimum values were 86.4°F and 90.2°F respectively.

Best Time to Visit Port Aransas
The most sunny months:
October 17 days
August 16 days
July 14 days
The most warm months:
August 92.2 °F
July 90.9 °F
June 90.0 °F
Warmest sea temperature:
August 90.4 °F
September 89.2 °F
July 88.8 °F
The most cold months:
January 63.5 °F
February 64.6 °F
December 68.5 °F
The most rainy months:
July 3 days
May 2 days
September 2 days
The most windy months:
April 14 mph
May 14 mph
March 14 mph

Port Aransas on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +56
Hawaii +76
Honolulu +76
Houston +94
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
24 Hours Weather Forecast
Port Aransas
Local time: 11:15
14 may, thursday
1200 88°F
N
11 mph
1500 88°F
NW
13 mph
1800 84°F
NW
14 mph
2100 80°F
NW
17 mph
15 may, friday
0000 80°F
NW
19 mph
0300 80°F
N
20 mph
0600 80°F
N
19 mph
0900 80°F
N
20 mph