Current sea water temperature:
+57.0°F
| Minimum sea water temperature in April: | 61.0°F |
| Maximum sea water temperature in April: | 53.8°F |
| Average sea water temperature in April: | 56.6°F |
| more information | |
14 days
forecast
forecast
| San Antonio |
monthly
weather
weather
| San Antonio |
Sea water temperature for the last 10 days:
| April 6 | 57.0°F | April 1 | 57.6°F |
| April 5 | 57.7°F | March 31 | 54.3°F |
| April 4 | 55.9°F | March 30 | 56.7°F |
| April 3 | 57.2°F | March 29 | 56.7°F |
| April 2 | 57.6°F | March 28 | 55.4°F |
Monthly sea water temperature, °F
When is the warmest sea in San Antonio?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Antonio was noticed in February, January and March.
Monthly Sea Temperatures in San Antonio, °F
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 61.2°F. The highest and lowest sea temperatures during the month were 66.7°F and 57.7°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 60.3°F. The highest and lowest sea temperatures during the month were 64.9°F and 54.0°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 59.4°F. The highest and lowest sea temperatures during the month were 63.5°F and 54.3°F.
current
weather
weather
| San Antonio |
weather in
April
April
| San Antonio |
Best time for vacation in San Antonio
San Antonio on a weather map
Places in Chile:
Name
°F
24 Hours Forecast
San Antonio
Local time: 19:27
April 06, monday
2100
57°F
N
9 mph
9 mph
April 07, tuesday
0000
57°F
N
8 mph
8 mph
0300
57°F
NW
5 mph
5 mph
0600
55°F
N
7 mph
7 mph
0900
63°F
N
6 mph
6 mph
1200
66°F
NE
12 mph
12 mph
1500
66°F
NE
14 mph
14 mph
1800
61°F
NE
11 mph
11 mph
