Weather Tomorrow

Weather Tomorrow in San Marcos, TX

Monday, May 25, 2026

88°Low 68°FColdHot
Clear

Precip chance

20%

Wind

0-5 mph

Humidity

69%

Feels like

86–70°F

Rain forecast

Low chance of precipitation. Highest risk around 9 PM (20%).

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

Tomorrow by Hour

68°Temperature trend88°
TimeTempConditionRain %Wind
5 AM73°FPartly Cloudy
2%
0 mph
6 AM72°FPartly Cloudy
4%
0 mph
7 AM72°FPartly Cloudy
4%
0 mph
8 AM70°FMostly Clear
4%
0 mph
9 AM69°FPartly Cloudy
2%
0 mph
10 AM69°FPartly Cloudy
2%
0 mph
11 AM68°FMostly Sunny
2%
0 mph
12 PM68°FMostly Sunny
2%
0 mph
1 PM71°FMostly Sunny
2%
0 mph
2 PM74°FMostly Sunny
2%
0 mph
3 PM79°FMostly Sunny
4%
0 mph
4 PM82°FSunny
4%
5 mph ENE
5 PM84°FSunny
4%
5 mph E
6 PM86°FSunny
14%
5 mph E
7 PM87°FMostly Sunny
14%
5 mph E
8 PM88°FMostly Sunny
14%
5 mph E
9 PM88°FSlight Chance Showers And Thunderstorms
20%
5 mph ESE
10 PM88°FSlight Chance Showers And Thunderstorms
20%
5 mph E
11 PM87°FSlight Chance Showers And Thunderstorms
20%
5 mph ESE
12 AM86°FSlight Chance Rain Showers
18%
5 mph E
1 AM84°FSlight Chance Rain Showers
18%
5 mph ESE
2 AM79°FSlight Chance Rain Showers
18%
5 mph ESE
3 AM77°FPartly Cloudy
10%
5 mph ESE
4 AM75°FPartly Cloudy
10%
5 mph SE

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: 88°F

Low: 68°F

Wind: 0-5 mph

Rain: 20%

Enjoy your day!

Best Time to Be Outside Tomorrow

12 PM – 1 PM98

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

5a11a5p11p

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Frequently Asked Questions

What is the weather forecast for tomorrow in San Marcos, TX?
Tomorrow in San Marcos: High of 88°F, Low of 68°F. Clear with 20% chance of precipitation. Wind 0-5 mph.
Will it rain tomorrow in San Marcos?
Low chance of precipitation. Highest risk around 9 PM (20%).
What should I wear tomorrow in San Marcos?
With a high of 88°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.