San Antonio Weather Forecast
San Antonio weather: 91°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Live radar and satellite over San Antonio
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Radar frames: RainViewer (global composite, ~10 minute refresh). Satellite: NASA GIBS MODIS true colour, previous day. Coverage and refresh vary by region.
Active alerts for San Antonio
Heat Advisory issued August 25 at 3:02PM CDT until August 26 at 7:00PM CDT by NWS Austin/San Antonio TX
Issued by NWS Austin/San Antonio TX
Weather in San Antonio right now
Source: Open-Meteo. Updated 12:45 AM, Aug 26 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
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San Antonio weather - more answers
Explore San Antonio
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Frequently asked questions
Where is San Antonio?
San Antonio is a city in Texas. Its coordinates are 29.4241, -98.4936. It lies in North America.
What is the weather like in San Antonio right now?
It is currently 91°F (33°C) with clear. Humidity is 36% and wind is 8 mph.
When is the best time to visit San Antonio?
February, March, August, September, October, November and December offer the most comfortable conditions in San Antonio, which has a temperate climate. April, May and July are usually the hardest months for outdoor plans.
What time zone is San Antonio in?
San Antonio observes America/Chicago (UTC-05:00). The local time is 12:45 AM.
How many people live in San Antonio?
San Antonio has a population of approximately 1.5 million.
What is the nearest airport to San Antonio?
The closest airports are Austin-Bergstrom International Airport (AUS), 73 mi away, George Bush Intercontinental Airport (IAH), 193 mi away and Dallas/Fort Worth International Airport (DFW), 255 mi away.
What are the top things to do in San Antonio?
Popular options include Enchanted Rock State Natural Area.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 26, 2026 at 12:45 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
