Current sea water temperature:
+58.5°F
| Minimum sea water temperature in October: | 59.2°F |
| Maximum sea water temperature in October: | 51.8°F |
| Average sea water temperature in October: | 54.8°F |
| more information | |
14 days
forecast
forecast
| San Antonio |
monthly
weather
weather
| San Antonio |
Sea water temperature for the last 10 days:
| October 6 | 58.5°F | October 1 | 58.3°F |
| October 5 | 58.3°F | September 30 | 58.5°F |
| October 4 | 57.4°F | September 29 | 59.2°F |
| October 3 | 59.2°F | September 28 | 58.6°F |
| October 2 | 58.8°F | September 27 | 55.8°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
October
October
| 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: 08:33
October 06, tuesday
0900
55°F
SW
7 mph
7 mph
1200
57°F
S
14 mph
14 mph
1500
55°F
SW
21 mph
21 mph
1800
55°F
SW
18 mph
18 mph
2100
54°F
W
15 mph
15 mph
October 07, wednesday
0000
55°F
SW
14 mph
14 mph
0300
54°F
SW
8 mph
8 mph
0600
54°F
SW
12 mph
12 mph
