Weather Tomorrow

Weather Tomorrow in San Marcos, TX

Flood WatchUntil May 26, 12:00 AM

Flood Watch issued May 23 at 1:17AM CDT until May 25 at 7:00PM CDT by NWS Austin/San Antonio TX

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Sunday, May 24, 2026

83°Low 68°FColdHot
Clear

Precip chance

28%

Wind

0-5 mph

Humidity

81%

Feels like

81–70°F

Rain forecast

Low chance of precipitation. Highest risk around 5 AM (28%).

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

68°Temperature trend83°
TimeTempConditionRain %Wind
5 AM71°FSlight Chance Showers And Thunderstorms
28%
0 mph
6 AM71°FPartly Cloudy
14%
0 mph
7 AM71°FMostly Cloudy
14%
0 mph
8 AM70°FMostly Cloudy
14%
0 mph
9 AM70°FPartly Cloudy
13%
0 mph
10 AM70°FPartly Cloudy
13%
0 mph
11 AM69°FMostly Sunny
13%
0 mph
12 PM68°FMostly Sunny
7%
0 mph
1 PM70°FSunny
7%
0 mph
2 PM71°FSunny
7%
0 mph
3 PM75°FSunny
7%
5 mph NNE
4 PM77°FSunny
7%
5 mph NE
5 PM79°FSunny
7%
5 mph NE
6 PM80°FSunny
20%
5 mph NE
7 PM82°FSunny
20%
5 mph NE
8 PM82°FSunny
20%
5 mph ENE
9 PM82°FMostly Sunny
20%
5 mph ENE
10 PM83°FMostly Sunny
20%
5 mph NE
11 PM82°FMostly Clear
20%
5 mph NE
12 AM80°FMostly Clear
10%
5 mph ENE
1 AM79°FClear
10%
5 mph E
2 AM75°FClear
10%
5 mph E
3 AM73°FMostly Clear
7%
5 mph ENE
4 AM72°FMostly Clear
7%
5 mph NE

Precipitation Timeline

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

What to Wear Tomorrow

Hot — wear breathable, light clothing

Clothing

  • Light t-shirt or tank top
  • Shorts or light skirt
  • Hat for sun protection

Footwear

Sandals or breathable sneakers

Accessories

  • Sunglasses
  • Sunscreen

Conditions

High: 83°F

Low: 68°F

Wind: 0-5 mph

Rain: 28%

Enjoy your day!

Best Time to Be Outside Tomorrow

1 PM – 2 PM97

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

5a11a5p11p

More for San Marcos, TX

More cities in Texas

Frequently Asked Questions

What is the weather forecast for tomorrow in San Marcos, TX?
Tomorrow in San Marcos: High of 83°F, Low of 68°F. Clear with 28% chance of precipitation. Wind 0-5 mph.
Will it rain tomorrow in San Marcos?
Low chance of precipitation. Highest risk around 5 AM (28%).
What should I wear tomorrow in San Marcos?
With a high of 83°F and low of 68°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.