Current conditions at
San Antonio, San Antonio International Airport (KSAT)
Lat: 29.53°NLon: 98.46°WElev: 807ft.
Overcast
72°F
22°C
| Humidity | 84% |
| Wind Speed | S 6 mph |
| Barometer | 29.82 in (1008.0 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 18 Apr 4:51 am CDT |
Extended Forecast for
San Antonio International Airport TX
Today
High: 74 °F⇓
Chance
Showers then
Chance
T-stormsTonight

Low: 54 °F
Showers
LikelySunday
High: 69 °F
Slight Chance
Showers then
Mostly CloudySunday Night
Low: 56 °F
Mostly Cloudy
then Slight
Chance
T-stormsMonday

High: 66 °F
Showers
LikelyMonday Night

Low: 58 °F
Chance
T-stormsTuesday
High: 72 °F
Chance
Showers then
Chance
T-stormsTuesday Night

Low: 64 °F
Mostly Cloudy
Wednesday
High: 82 °F
Cloudy then
Slight Chance
T-storms
Detailed Forecast
Today
A slight chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a temperature rising to near 74 by 10am, then falling to around 65 during the remainder of the day. South southeast wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 4am, then a slight chance of showers. Cloudy, with a low around 54. Northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 69. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 56. East wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 66. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 58. East wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 72. East wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 64. East southeast wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 67.
Thursday
Mostly cloudy, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
San Antonio International Airport TX
29.53°N 98.48°W (Elev. 817 ft)
29.53°N 98.48°W (Elev. 817 ft)
5:32 am CDT Apr 18, 2026
5am CDT Apr 18, 2026-6pm CDT Apr 24, 2026


