UV Index for Riverside, CA

Current Riverside UV Index

0 (Low)

Last Updated 40 minutes ago

Hourly Riverside UV Index

The hourly Riverside, CA UV Index forecast for Friday, July 4th, 2025.

5 Day Hourly Riverside UV Index Forecast

Last Updated 14 hours ago

The UV index forecast for the next five days in Riverside, CA has 3 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 12.2 on Saturday, July 5th at 1:00 pm.

The UV index forecast for Friday, July 4th in Riverside, CA is below.

Time UV Index Risk
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.5
Low
8am 1.6
Low
9am 3.7
Moderate
10am 6.4
High
11am 9.1
Very High
12pm 11.1
Extreme
1pm 11.7
Extreme
2pm 10.7
Very High
3pm 8.5
Very High
4pm 5.7
Moderate
5pm 3
Moderate
6pm 1.2
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 5th 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 0.5
Low
8am 1.7
Low
9am 3.9
Moderate
10am 6.8
High
11am 9.6
Very High
12pm 11.6
Extreme
1pm 12.2
Extreme
2pm 11
Extreme
3pm 8.6
Very High
4pm 5.7
Moderate
5pm 3
Moderate
6pm 1.2
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 6th 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 0.5
Low
8am 1.7
Low
9am 3.8
Moderate
10am 6.6
High
11am 9.3
Very High
12pm 11.2
Extreme
1pm 11.7
Extreme
2pm 10.7
Very High
3pm 8.5
Very High
4pm 5.6
Moderate
5pm 3
Moderate
6pm 1.2
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 7th 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