I-35 weather conditions near San Marcos, Texas
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Partly Cloudy 66°F 2025-11-20T23:56:00-06:00 
Overnight 2025-11-21, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 3am. Cloudy, with a low around 67. Southeast wind around 5 mph.Friday 2025-11-21, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. South southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night 2025-11-21, Mostly Cloudy. Mostly cloudy, with a low around 61. Calm wind becoming north around 5 mph after midnight.
Saturday 2025-11-22, Mostly Sunny. Mostly sunny, with a high near 77. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night 2025-11-22, Slight Chance Showers. A 20 percent chance of showers. Mostly cloudy, with a low around 60. Northeast wind around 5 mph.
Sunday 2025-11-23, Chance Showers. A 30 percent chance of showers. Mostly cloudy, with a high near 77. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.Sunday Night 2025-11-23, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 66. South southeast wind around 10 mph. Chance of precipitation is 30%.
Monday 2025-11-24, Showers. Showers and possibly a thunderstorm. High near 77. South wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Monday Night 2025-11-24, Mostly Clear. Mostly clear, with a low around 53. West northwest wind around 5 mph becoming calm in the evening.
Tuesday 2025-11-25, Sunny. Sunny, with a high near 80.- Tuesday Night 2025-11-25, Partly Cloudy. Partly cloudy, with a low around 51.
- Wednesday 2025-11-26, Mostly Sunny. Mostly sunny, with a high near 66.
- Wednesday Night 2025-11-26, Mostly Clear. Mostly clear, with a low around 40.
- Thanksgiving Day 2025-11-27, Sunny. Sunny, with a high near 63.