High heat today, up to 99°F. Stay hydrated and check on others.
Live · San Antonio
San Antonio Weather Today
80°
Clear sky
H:99° L:78° · Feels like 88°
Clear sky and dry. High 99°F, low 78°F.
- 80°
- 78°
- 78°
- 78°
- 79°
- 81°
Feels like
88°
Wind
4 mph S
Humidity
85%
UV index
8
San Antonio weather right now
- Today
- Clear sky, 80°F now. High 99° / low 78°, dry.
- Tomorrow
- Overcast, 103° / 76°.
- This weekend
- Sat 104°, Sun 105°
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Today’s briefing
Clear sky and dry. High 99°F, low 78°F.
Automated summary based on live conditionsHourly forecast
Next 24 hours
- 80°
- 78°
- 78°
- 78°
- 79°
- 81°
- 84°
- 88°
- 92°
- 95°
- 97°
- 99°
Outlook
Seven-day forecast
- Overcast 99°78° 1% rain
- Overcast 103°76° 0% rain
- Overcast 104°77° 0% rain
- Overcast 104°78° 3% rain
- Overcast 104°78° 6% rain
- Clear sky 105°77° 2% rain
- Mainly clear 104°76° 1% rain
Right now
Air quality, pollen and comfort
Map
San Antonio weather map
What to do today
Walk outside
adjustGo early, seek shade and carry water.
Running
avoidRun early or move indoors.
Cycling
adjustAvoid the hottest part of the day and carry water.
Outdoor dining
adjustChoose shade and keep hydrated.
Photography
checkCheck cloud cover and available light before heading out.
Weather questions
Plan your day in San Antonio
What is the weather in San Antonio today?
Clear sky and 80°. The forecast high is 99° and the low is 78°.
Will it rain in San Antonio today?
The highest rain chance shown for today is 1%, with 0 mm shown for current conditions.
What is the UV index in San Antonio?
The current UV index is 0, with a forecast maximum of 8. The level is Very high.
What time are sunrise and sunset in San Antonio?
Sunrise is at 07:04 and sunset is at 20:11, local time.
Where does the San Antonio forecast come from?
Conditions and forecasts use Open-Meteo. Available air quality and pollen readings use CAMS data.
Plan your day
Go beyond the forecast
Pair the forecast with today's local news and things to do in San Antonio.