UV Index for Thornton, CA

Current Thornton UV Index

0 (Low)

Last Updated 3 minutes ago

Hourly Thornton UV Index

The hourly Thornton, CA UV Index forecast for Sunday, November 16th, 2025.

5 Day Hourly Thornton UV Index Forecast

Last Updated 10 hours ago

The UV index forecast for the next five days in Thornton, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Thornton over the next five days will be 2.7 on Wednesday, November 19th at 12:00 pm.

The UV index forecast for Sunday, November 16th in Thornton, CA is below.

Time UV Index Risk
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, November 17th in Thornton, CA 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 0.7
Low
10am 1.3
Low
11am 1.7
Low
12pm 2.2
Low
1pm 1
Low
2pm 1.3
Low
3pm 0.7
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, November 18th in Thornton, CA 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 0.7
Low
10am 1.5
Low
11am 2.2
Low
12pm 2.6
Low
1pm 2.3
Low
2pm 1.5
Low
3pm 0.7
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, November 19th in Thornton, CA 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 1.6
Low
11am 2.3
Low
12pm 2.7
Low
1pm 2.4
Low
2pm 1.7
Low
3pm 0.8
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, November 20th in Thornton, CA is below.

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