UV Index for Acton, CA

Current Acton UV Index

0 (Low)

Last Updated 56 minutes ago

Hourly Acton UV Index

The hourly Acton, CA UV Index forecast for Thursday, December 11th, 2025.

5 Day Hourly Acton UV Index Forecast

Last Updated 13 hours ago

The UV index forecast for the next five days in Acton, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Acton over the next five days will be 3 on Thursday, December 11th at 12:00 pm.

The UV index forecast for Thursday, December 11th in Acton, CA is below.

Time UV Index Risk

The UV index forecast for Friday, December 12th in Acton, 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 0.3
Low
9am 0.9
Low
10am 1.8
Low
11am 2.6
Low
12pm 2.9
Low
1pm 2.5
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 Saturday, December 13th in Acton, 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 0.3
Low
9am 0.9
Low
10am 1.6
Low
11am 2.2
Low
12pm 2.6
Low
1pm 2.2
Low
2pm 1.4
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 Sunday, December 14th in Acton, 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 0.3
Low
9am 1
Low
10am 2
Low
11am 2.8
Low
12pm 3
Moderate
1pm 2.6
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 Monday, December 15th in Acton, CA is below.

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