UV Index for Riverside, CA

Current Riverside UV Index

0.5 (Low)

Last Updated 3 minutes ago

Hourly Riverside UV Index

The hourly Riverside, CA UV Index forecast for Thursday, October 30th, 2025.

5 Day Hourly Riverside UV Index Forecast

Last Updated 6 hours ago

The UV index forecast for the next five days in Riverside, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Riverside over the next five days will be 5.4 on Thursday, October 30th at 1:00 pm.

The UV index forecast for Thursday, October 30th in Riverside, CA is below.

Time UV Index Risk
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, October 31st in Riverside, 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 0.1
Low
9am 0.8
Low
10am 1.9
Low
11am 3.2
Moderate
12pm 4.4
Moderate
1pm 4.7
Moderate
2pm 4.3
Moderate
3pm 3
Moderate
4pm 1.5
Low
5pm 0.5
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, November 1st in Riverside, 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 0.1
Low
9am 0.8
Low
10am 2
Low
11am 3.5
Moderate
12pm 4.7
Moderate
1pm 5
Moderate
2pm 4.4
Moderate
3pm 3
Moderate
4pm 1.5
Low
5pm 0.5
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, November 2nd in Riverside, CA is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.1
Low
8am 0.7
Low
9am 1.8
Low
10am 3
Moderate
11am 4
Moderate
12pm 4.2
Moderate
1pm 3.6
Moderate
2pm 2
Low
3pm 1.4
Low
4pm 0.4
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, November 3rd in Riverside, CA is below.

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