Current sea water temperature:
+54.3°F
| Minimum sea water temperature in July: | 56.3°F |
| Maximum sea water temperature in July: | 51.4°F |
| Average sea water temperature in July: | 54.2°F |
| more information | |
14 days
forecast
forecast
| San Antonio |
monthly
weather
weather
| San Antonio |
Sea water temperature for the last 10 days:
| July 16 | 54.3°F | July 11 | 54.0°F |
| July 15 | 54.0°F | July 10 | 53.1°F |
| July 14 | 54.0°F | July 9 | 53.4°F |
| July 13 | 54.5°F | July 8 | 53.1°F |
| July 12 | 53.2°F | July 7 | 53.1°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
July
July
| 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: 00:10
July 17, friday
0300

54°F
SW
11 mph
11 mph
0600

52°F
SW
10 mph
10 mph
0900

54°F
S
16 mph
16 mph
1200

55°F
S
28 mph
28 mph
1500

55°F
S
26 mph
26 mph
1800

57°F
S
29 mph
29 mph
2100

55°F
S
25 mph
25 mph
July 18, saturday
0000

55°F
S
29 mph
29 mph




























