UV Index for San Antonio, TX

Current San Antonio UV Index

4 (Moderate)

Last Updated 12 minutes ago

Hourly San Antonio UV Index

The hourly San Antonio, TX UV Index forecast for Thursday, January 2nd, 2025.

5 Day Hourly San Antonio UV Index Forecast

Last Updated 1 hour ago

The UV index forecast for the next five days in San Antonio, TX has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in San Antonio over the next five days will be 4.4 on Sunday, January 5th at 1:00 pm.

The UV index forecast for Thursday, January 2nd in San Antonio, TX is below.

Time UV Index Risk
2pm 3.4
Moderate
3pm 2.2
Low
4pm 1
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, January 3rd in San Antonio, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.2
Low
9am 0.8
Low
10am 1.8
Low
11am 3.1
Moderate
12pm 4
Moderate
1pm 4.1
Moderate
2pm 3.3
Moderate
3pm 2.1
Low
4pm 0.9
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, January 4th in San Antonio, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0
Low
9am 0.2
Low
10am 0.6
Low
11am 1.6
Low
12pm 3
Moderate
1pm 1.7
Low
2pm 2.2
Low
3pm 0.8
Low
4pm 0.8
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, January 5th in San Antonio, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.2
Low
9am 0.8
Low
10am 1.9
Low
11am 3.2
Moderate
12pm 4.2
Moderate
1pm 4.4
Moderate
2pm 3.6
Moderate
3pm 2.2
Low
4pm 1
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, January 6th in San Antonio, TX is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low