UV Index for August, CA

Current August UV Index

0 (Low)

Last Updated 4 minutes ago

Hourly August UV Index

The hourly August, CA UV Index forecast for Sunday, May 18th, 2025.

5 Day Hourly August UV Index Forecast

Last Updated 14 hours ago

The UV index forecast for the next five days in August, CA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in August over the next five days will be 9.8 on Monday, May 19th at 1:00 pm.

The UV index forecast for Sunday, May 18th in August, CA is below.

Time UV Index Risk
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 1
Low
9am 2.4
Low
10am 4.5
Moderate
11am 6.8
High
12pm 8.5
Very High
1pm 9.3
Very High
2pm 8.8
Very High
3pm 7.2
High
4pm 5
Moderate
5pm 2.9
Low
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, May 19th in August, 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 0.3
Low
8am 1.1
Low
9am 2.7
Low
10am 4.9
Moderate
11am 7.3
High
12pm 9.1
Very High
1pm 9.8
Very High
2pm 9.2
Very High
3pm 7.6
High
4pm 5.3
Moderate
5pm 3.1
Moderate
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, May 20th in August, 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 0.3
Low
8am 1.1
Low
9am 2.6
Low
10am 4.8
Moderate
11am 7.2
High
12pm 9
Very High
1pm 9.8
Very High
2pm 9.3
Very High
3pm 7.6
High
4pm 5.4
Moderate
5pm 3.1
Moderate
6pm 1.4
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, May 21st in August, 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