Current sea water temperature:
+60.6°F
| Minimum sea water temperature in March: | 65.5°F |
| Maximum sea water temperature in March: | 52.7°F |
| Average sea water temperature in March: | 60.4°F |
| more information | |
14 days
forecast
forecast
| San Antonio |
monthly
weather
weather
| San Antonio |
Sea water temperature for the last 10 days:
| March 17 | 60.6°F | March 12 | 63.5°F |
| March 16 | 61.5°F | March 11 | 62.8°F |
| March 15 | 61.0°F | March 10 | 62.1°F |
| March 14 | 61.9°F | March 9 | 60.6°F |
| March 13 | 62.2°F | March 8 | 58.5°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 60.9°F. The highest and lowest sea temperatures during the month were 63.5°F and 58.5°F.
current
weather
weather
| San Antonio |
weather in
March
March
| 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: 11:55
March 17, tuesday
1200
66°F
NE
11 mph
11 mph
1500
68°F
NE
15 mph
15 mph
1800
66°F
NE
12 mph
12 mph
2100
61°F
N
12 mph
12 mph
March 18, wednesday
0000
59°F
N
11 mph
11 mph
0300
59°F
N
11 mph
11 mph
0600
57°F
N
9 mph
9 mph
0900
61°F
NW
3 mph
3 mph
