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San Marcos UV Index Today

Day Summary

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The UV index in San Marcos, Texas, United States Flag of United States will reach a high of 0 today. This means a normal level of sun exposure. See our tips below to stay safe!

Hourly Forecast Chart

Today's Safety Tips

Check the live data above for the current conditions and stay safe in the sun!

San Marcos's UV Index

San Marcos, Texas, typically experiences a UV index ranging from moderate to very high, especially during the summer months when the sun is strongest. UV levels can reach 8 to 10 or more on sunny days.

Weather Seasons

UV index

The weather in San Marcos shows hot summers with temperatures often above 90°F (32°C) and mild winters, rarely dropping below freezing. Spring and fall are warm and pleasant, with occasional rainfall peaking in spring.

San Marcos's Climate

Compared to other parts of Texas and nearby states like Oklahoma and Louisiana, San Marcos has more humidity and warmer temperatures in summer. It is generally hotter and sunnier than northern states but less extreme than desert areas in West Texas.

Hourly UV Index Trend

See the UV index hour by hour for San Marcos. When the level is high, it's smart to find some shade.

Disclaimer

* The information on this page about the UV index in San Marcos is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.