Weather Forecast and Radar for San Marcos, Texas

Current & 7-day weather forecast, weather alerts, and weather radar for San Marcos, Texas.
All times shown in your local timezone

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Temperature Forecast for San Marcos, Texas

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Temperature Forecast for San Marcos, Texas

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Weather Radar for San Marcos, Texas

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Weather in San Marcos, TX

San Marcos, Texas has a mild climate with warm temperatures year-round. In the summer, temperatures usually range from the mid 70s to the mid 90s, with the hottest months being July and August, when temperatures can reach up to 100°F. In the winter months, temperatures usually range from the low 40s to the mid 60s, with the coldest months being December and January, when temperatures can dip down to the low 30s. The spring and fall months typically have temperatures ranging from the mid 70s to the mid 80s, making them the most pleasant months to visit. San Marcos also receives an average of 33 inches of rain per year, with most of it occurring during the spring and summer months.

Fast Facts About San Marcos, TX

As of 2020, the city population is 70864.

Major Cities Nearby San Marcos, TX

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for San Marcos, Texas.