UV Index for Lake Riverside, CA

Current Lake Riverside UV Index

0 (Low)

Last Updated 53 minutes ago

Hourly Lake Riverside UV Index

The hourly Lake Riverside, CA UV Index forecast for Wednesday, September 17th, 2025.

5 Day Hourly Lake Riverside UV Index Forecast

Last Updated 12 hours ago

The UV index forecast for the next five days in Lake Riverside, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Lake Riverside over the next five days will be 8.7 on Thursday, September 18th at 1:00 pm.

The UV index forecast for Wednesday, September 17th in Lake Riverside, CA is below.

Time UV Index Risk

The UV index forecast for Thursday, September 18th in Lake 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 0.6
Low
9am 1.4
Low
10am 3.6
Moderate
11am 6.5
High
12pm 8.2
Very High
1pm 8.7
Very High
2pm 7.6
High
3pm 5.6
Moderate
4pm 3.2
Moderate
5pm 1.3
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 19th in Lake 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 0.6
Low
9am 1.9
Low
10am 4
Moderate
11am 6.4
High
12pm 7.8
High
1pm 8.4
Very High
2pm 7.6
High
3pm 5.6
Moderate
4pm 3.2
Moderate
5pm 1.3
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Lake 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 0.6
Low
9am 1.9
Low
10am 4.1
Moderate
11am 6.5
High
12pm 8.2
Very High
1pm 8.6
Very High
2pm 7.6
High
3pm 5.6
Moderate
4pm 3.2
Moderate
5pm 1.3
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in Lake 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