Hazardous Weather Conditions
Current conditions at
San Antonio, San Antonio International Airport (KSAT)
Lat: 29.53°NLon: 98.46°WElev: 807ft.
Heavy Rain Fog/Mist
56°F
13°C
| Humidity | 97% |
| Wind Speed | NE 10 mph |
| Barometer | 30.21 in (1022.0 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 1.00 mi |
| Last update | 20 Apr 3:51 pm CDT |
Extended Forecast for
San Antonio International Airport TX
Flood Advisory April 20, 04:24pm until April 20, 06:00pm
Flash Flood Warning April 20, 04:24pm until April 20, 06:00pm
NOW: Multiple hazards in effect

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This Afternoon

High: 61 °F
Showers
Tonight

Low: 59 °F
Showers
Tuesday

High: 70 °F
Showers
LikelyTuesday Night

Low: 65 °F
Chance
T-stormsWednesday
High: 80 °F
Chance
Showers then
Chance
T-stormsWednesday Night

Low: 67 °F
Mostly Cloudy
Thursday

High: 85 °F
Mostly Cloudy
Thursday Night

Low: 70 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. High near 61. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Low around 59. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 70. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 65. East southeast wind 5 to 10 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South southeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 70. South southeast wind around 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. South wind around 5 mph.
Friday Night
Partly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
Mostly cloudy, with a high near 89.
Sunday Night
Mostly cloudy, with a low around 69.
Monday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 90.
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)
2:46 pm CDT Apr 20, 2026
4pm CDT Apr 20, 2026-6pm CDT Apr 27, 2026



