UV Index for Downey, CA

Current Downey UV Index

1.7 (Low)

Last Updated 53 minutes ago

Hourly Downey UV Index

The hourly Downey, CA UV Index forecast for Thursday, December 25th, 2025.

5 Day Hourly Downey UV Index Forecast

Last Updated 4 hours ago

The UV index forecast for the next five days in Downey, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Downey over the next five days will be 3.1 on Thursday, December 25th at 12:00 pm.

The UV index forecast for Thursday, December 25th in Downey, CA is below.

Time UV Index Risk
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 Friday, December 26th in Downey, 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
Low
9am 0
Low
10am 0.3
Low
11am 0.6
Low
12pm 0.4
Low
1pm 0.6
Low
2pm 0.2
Low
3pm 0.2
Low
4pm 0
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 27th in Downey, 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 1.7
Low
11am 2.4
Low
12pm 2.6
Low
1pm 2.2
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 Sunday, December 28th in Downey, 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 0.8
Low
10am 1.6
Low
11am 2.3
Low
12pm 2.5
Low
1pm 2.2
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 Monday, December 29th in Downey, CA is below.

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