San Marcos (78666) Daily Weather Forecast

San Marcos weather forecast for now and the week ahead — Rounds of storms can bring significant flash flooding through Thursday; check AccuWeather often

Heavy t-storms this afternoon

  • Sunrise 6:40 am | Sunset 8:34 pm
  • High: 81° | Low 73°
  • Chance of precipitation: 100%

  • Wind: 7 mph from the S

San Marcos weather for the next 5 days:

San Marcos, TX weather at a glance

Q: What is the weather in San Marcos?

A: Daily conditions in San Marcos TX: Rounds of storms can bring significant flash flooding through Thursday; check AccuWeather often.

Q: What is the temperature in San Marcos?

A: The temperature in San Marcos TX is High: 81° | Low 73°

Q: What time is sunset in San Marcos?

A: The sun will set in San Marcos TX at 1:34 AM.

Q: What is the weather tomorrow in San Marcos?

A: The weather tomorrow in San Marcos TX: Cloudy, a thunderstorm; humid