Measurements:
°C
°F
CURRENT WEATHER
03:52
San Antonio
60°F
SW 2 mph
Feels like: 60°F
Precip: 0%
World Resorts Chile San Antonio Weather

7 Day Weather Forecast

03.20
fri
DAY
60°F
NE 12 mph
precip
100%
NIGHT
58°F
N 9 mph
precip
0%
03.21
sat
DAY
64°F
N 10 mph
precip
0%
NIGHT
58°F
N 8 mph
precip
0%
03.22
sun
DAY
64°F
N 9 mph
precip
0%
NIGHT
58°F
N 13 mph
precip
0%
03.23
mon
DAY
66°F
N 13 mph
precip
0%
NIGHT
58°F
N 13 mph
precip
0%
03.24
tue
DAY
68°F
NE 11 mph
precip
0%
NIGHT
60°F
N 11 mph
precip
0%
03.25
wed
DAY
66°F
NE 9 mph
precip
0%
NIGHT
58°F
N 10 mph
precip
0%
03.26
thu
DAY
64°F
N 14 mph
precip
0%
NIGHT
60°F
N 10 mph
precip
0%

San Antonio Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for San Antonio was 16.0°F. The maximum and minimum values were 14.7°F and 17.5°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 68.8 °F
Warmest sea temperature:
February 63.1 °F
January 61.9 °F
March 61.5 °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