Weather Tomorrow

Weather Tomorrow in San Antonio, TX

Wednesday, September 9, 2026

98°Low 79°FColdHot
Clear

Precip chance

19%

Wind

0-10 mph

Humidity

65%

Feels like

96–81°F

Rain forecast

Low chance of precipitation. Highest risk around 9 PM (19%).

Data source: National Weather Service (NOAA) · Updated 36 min ago

Tomorrow by Hour

79°Temperature trend98°
TimeTempConditionRain %Wind
5 AM85°FMostly Clear
2%
10 mph SE
6 AM83°FPartly Cloudy
3%
5 mph SSE
7 AM83°FPartly Cloudy
3%
5 mph SSE
8 AM82°FPartly Cloudy
3%
5 mph SSE
9 AM81°FPartly Cloudy
5%
5 mph SSE
10 AM81°FPartly Cloudy
5%
5 mph SSE
11 AM80°FMostly Sunny
5%
0 mph
12 PM80°FSunny
3%
0 mph
1 PM79°FMostly Sunny
3%
0 mph
2 PM81°FSunny
3%
5 mph SE
3 PM85°FSunny
2%
5 mph SSE
4 PM88°FSunny
2%
5 mph SE
5 PM91°FSunny
2%
5 mph SE
6 PM93°FSunny
6%
5 mph SE
7 PM95°FMostly Sunny
6%
5 mph ESE
8 PM97°FMostly Sunny
6%
5 mph SE
9 PM97°FSlight Chance Showers And Thunderstorms
19%
5 mph ESE
10 PM98°FSlight Chance Showers And Thunderstorms
19%
5 mph ESE
11 PM96°FSlight Chance Showers And Thunderstorms
19%
10 mph ESE
12 AM94°FMostly Cloudy
12%
10 mph ESE
1 AM92°FPartly Cloudy
12%
10 mph ESE
2 AM89°FPartly Cloudy
12%
10 mph ESE
3 AM87°FPartly Cloudy
2%
5 mph ESE
4 AM85°FMostly Clear
2%
5 mph SE

Precipitation Timeline

100%
50%
5a11a5p11p
<20%20-50%50-70%>70%

What to Wear Tomorrow

Extreme heat — stay cool and protected

Clothing

  • Lightest possible clothing
  • Wide-brim hat
  • UV-protective shirt if outdoors

Footwear

Breathable sandals

Accessories

  • Sunglasses
  • Sunscreen

Conditions

High: 98°F

Low: 79°F

Wind: 0-10 mph

Rain: 19%

Enjoy your day!

Best Time to Be Outside Tomorrow

12 PM – 1 PM90

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

5a11a5p11p

More for San Antonio, TX

Forecast by ZIP in San Antonio

More cities in Texas

Frequently Asked Questions

What is the weather forecast for tomorrow in San Antonio, TX?
Tomorrow in San Antonio: High of 98°F, Low of 79°F. Clear with 19% chance of precipitation. Wind 0-10 mph.
Will it rain tomorrow in San Antonio?
Low chance of precipitation. Highest risk around 9 PM (19%).
What should I wear tomorrow in San Antonio?
With a high of 98°F and low of 79°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.