San Marcos, TX
Forecast for San Marcos, TX | Forecast Periods: 14
Monday
Jun 23
2025
San Marcos, TX
Updated: 6:42 AM CDT
94°F
Mostly Sunny
5 mph SSE
Precipitation: 8%
Mostly sunny, with a high near 94. Heat index values as high as 101. South southeast wind 5 to 10 mph.
24-Hour Temperature & Dewpoint Trend
- Temperature
- Dewpoint
- Humidity
- Precipitation
Hourly Forecast
7-Day Forecast
Tonight
Mon, Jun 23
73°F
Mostly Clear
0 mph SE
Precipitation: 8%
Mostly clear, with a low around 73. Southeast wind 0 to 10 mph.
Tuesday
Tue, Jun 24
91°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
0 mph ESE
Precipitation: 15%
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. East southeast wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night
Tue, Jun 24
72°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
0 mph SE
Precipitation: 15%
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Southeast wind 0 to 10 mph. Chance of precipitation is 20%.
Wednesday
Wed, Jun 25
91°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
0 mph SE
Precipitation: 18%
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southeast wind 0 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Wed, Jun 25
72°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
0 mph SSE
Precipitation: 18%
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. South southeast wind 0 to 10 mph. Chance of precipitation is 20%.
Thursday
Thu, Jun 26
92°F
Mostly Sunny
0 mph SSE
Precipitation: 8%
Mostly sunny, with a high near 92. South southeast wind 0 to 10 mph.
Thursday Night
Thu, Jun 26
73°F
Partly Cloudy
0 mph SSE
Precipitation: 8%
Partly cloudy, with a low around 73. South southeast wind 0 to 10 mph.
Friday
Fri, Jun 27
94°F
Mostly Sunny
0 mph S
Precipitation: 4%
Mostly sunny, with a high near 94. South wind 0 to 5 mph.
Friday Night
Fri, Jun 27
73°F
Partly Cloudy
0 mph SSE
Precipitation: 4%
Partly cloudy, with a low around 73.
Saturday
Sat, Jun 28
96°F
Mostly Sunny
0 mph S
Precipitation: 8%
Mostly sunny, with a high near 96.
Saturday Night
Sat, Jun 28
74°F
Partly Cloudy
5 mph SSE
Precipitation: 8%
Partly cloudy, with a low around 74.
Sunday
Sun, Jun 29
96°F
Mostly Sunny
0 mph S
Precipitation: 12%
Mostly sunny, with a high near 96.
Sunday Night
Sun, Jun 29
75°F
Partly Cloudy
5 mph SSE
Precipitation: 12%
Partly cloudy, with a low around 75.
Display Settings
Weather Insights
Temperature
The current temperature in San Marcos is 94°F. It feels very hot.
Wind
The wind in San Marcos is currently blowing from the SSE at 5 to 10 mph.
Humidity
Humidity data is not available for this period.
Precipitation
There is a 8% chance of precipitation.
Dew Point
Dewpoint data is not available for this period.