Measurements:
°C
°F
CURRENT WEATHER
09:43
San Antonio
58°F
NE 2 mph
Feels like: 58°F
Precip: 0%
World Resorts Chile San Antonio Weather

7 Day Weather Forecast

04.14
tue
DAY
62°F
E 5 mph
precip
0%
NIGHT
56°F
NW 6 mph
precip
0%
04.15
wed
DAY
70°F
NE 9 mph
precip
0%
NIGHT
58°F
N 4 mph
precip
0%
04.16
thu
DAY
70°F
NE 6 mph
precip
0%
NIGHT
62°F
N 6 mph
precip
0%
04.17
fri
DAY
68°F
NE 3 mph
precip
0%
NIGHT
58°F
N 6 mph
precip
62%
04.18
sat
DAY
64°F
NE 7 mph
precip
0%
NIGHT
58°F
N 11 mph
precip
0%
04.19
sun
DAY
60°F
NE 14 mph
precip
0%
NIGHT
56°F
N 12 mph
precip
0%
04.20
mon
DAY
58°F
NE 14 mph
precip
0%
NIGHT
52°F
N 12 mph
precip
0%

San Antonio Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for San Antonio was 13.2°F. The maximum and minimum values were 12.5°F and 14.2°F respectively.

San Antonio on the Weather Map

Best Time to Visit San Antonio
The most sunny months:
January 29 days
March 28 days
December 28 days
The most warm months:
February 70.1 °F
January 69.1 °F
March 68.7 °F
Warmest sea temperature:
February 63.1 °F
January 61.9 °F
March 61.3 °F
The most cold months:
July 57.1 °F
August 57.3 °F
June 58.3 °F
The most rainy months:
June 3 days
July 2 days
August 2 days
The most windy months:
October 8 mph
September 8 mph
December 8 mph
more details