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Current Weather Conditions for San Marcos, TX

Mostly sunny, with a high near 97. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.
73°F

Conditions

Wind: 10 mph S
Humidity: 97%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM
73° 75° 77° 82° 85° 88° 91° 94° 95° 96° 97° 95° 94°

Upcoming Week

Day Forecast High Low
Today
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.
89°F 71°F
Tonight
Partly Cloudy
Partly cloudy, with a low around 74. Heat index values as high as 100. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
89°F 71°F
Sunday
Partly Sunny
Partly sunny, with a high near 95. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 30 mph.
89°F 71°F
Sunday Night
Mostly Cloudy
Mostly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
89°F 71°F
Memorial Day
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 95. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
89°F 71°F
Monday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
89°F 71°F
Tuesday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
89°F 71°F
Tuesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
89°F 71°F
Wednesday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. East southeast wind 5 to 10 mph. Chance of precipitation is 50%.
89°F 71°F
Wednesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
89°F 71°F
Thursday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
89°F 71°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
89°F 71°F
Friday
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7am. Partly sunny, with a high near 89. Chance of precipitation is 20%.
89°F 71°F
Friday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68.
89°F 71°F
Data provided by weather.gov