29.04
wed
wed
Day

64°F
NE 14 mph
Precip.
0%
0%
Night

55°F
N 6 mph
Precip.
0%
0%
30.04
thu
thu
Day

63°F
NE 7 mph
Precip.
0%
0%
Night

54°F
N 9 mph
Precip.
0%
0%
01.05
fri
fri
Day

61°F
N 9 mph
Precip.
0%
0%
Night

55°F
N 6 mph
Precip.
0%
0%
02.05
sat
sat
Day

66°F
NE 9 mph
Precip.
0%
0%
Night

54°F
N 7 mph
Precip.
0%
0%
03.05
sun
sun
Day

63°F
NE 11 mph
Precip.
0%
0%
Night

55°F
N 7 mph
Precip.
0%
0%
04.05
mon
mon
Day

61°F
NE 12 mph
Precip.
0%
0%
Night

55°F
N 6 mph
Precip.
0%
0%
05.05
tue
tue
Day

63°F
NE 5 mph
Precip.
0%
0%
Night

57°F
NW 2 mph
Precip.
0%
0%
sea water
temperature
temperature
| San Antonio |
monthly
weather
weather
| San Antonio |
current
weather
weather
| San Antonio |
14 days
forecast
forecast
| San Antonio |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 56.2°F. The highest and lowest sea temperatures during the month were 57.9°F and 53.8°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 54.4°F. The highest and lowest sea temperatures during the month were 56.1°F and 50.0°F.
Air temperature in San Antonio, °F
Precipitation total in San Antonio, in.
* Charts above show average data for the last 3 years.
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: 03:47
April 29, wednesday
0600

55°F
N
7 mph
7 mph
0900

61°F
N
8 mph
8 mph
1200

64°F
NE
14 mph
14 mph
1500

64°F
NE
11 mph
11 mph
1800

59°F
N
10 mph
10 mph
2100

55°F
N
8 mph
8 mph
April 30, thursday
0000

55°F
N
6 mph
6 mph
0300

57°F
NE
4 mph
4 mph



























