Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Partly Cloudy
67°F
19°C
| Humidity | 97% |
| Wind Speed | SE 3 mph |
| Barometer | 29.85 in (1010.1 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 18 Apr 6:56 am CDT |
Extended Forecast for
2 Miles SSW Lockhart TX
Today
High: 74 °F⇓
Chance
Showers then
Showers
Likely and
BreezyTonight
Low: 53 °F
Showers
LikelySunday
High: 72 °F
Partly Sunny
Sunday Night
Low: 54 °F
Mostly Cloudy
Monday
High: 68 °F
Chance
ShowersMonday Night
Low: 58 °F
Chance
Showers then
Chance
T-stormsTuesday
High: 72 °F
Chance
T-stormsTuesday Night
Low: 62 °F
Slight Chance
T-stormsWednesday
High: 82 °F
Chance
T-storms
Detailed Forecast
Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a temperature rising to near 74 by 10am, then falling to around 62 during the remainder of the day. Breezy, with a south wind 5 to 10 mph becoming north 15 to 25 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Cloudy, with a low around 53. North wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a high near 72. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 54. East wind 5 to 10 mph becoming light in the evening.
Monday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 68. Northeast wind 5 to 10 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 58. East wind around 5 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 72. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. East southeast wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 67.
Thursday
Mostly cloudy, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SSW Lockhart TX
29.86°N 97.7°W (Elev. 545 ft)
29.86°N 97.7°W (Elev. 545 ft)
7:34 am CDT Apr 18, 2026
7am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
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