UV Index for August, CA

Current August UV Index

3.2 (Moderate)

Last Updated 11 minutes ago

Hourly August UV Index

The hourly August, CA UV Index forecast for Monday, October 27th, 2025.

5 Day Hourly August UV Index Forecast

Last Updated 4 hours ago

The UV index forecast for the next five days in August, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in August over the next five days will be 4.8 on Monday, October 27th at 1:00 pm.

The UV index forecast for Monday, October 27th in August, CA is below.

Time UV Index Risk
4pm 1.8
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, October 28th 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
Low
8am 0
Low
9am 0.5
Low
10am 1.4
Low
11am 2.8
Low
12pm 4.1
Moderate
1pm 4.7
Moderate
2pm 4.3
Moderate
3pm 3.2
Moderate
4pm 1.7
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, October 29th 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
Low
8am 0
Low
9am 0.5
Low
10am 1.4
Low
11am 2.8
Low
12pm 4
Moderate
1pm 4.6
Moderate
2pm 4.2
Moderate
3pm 3.1
Moderate
4pm 1.7
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, October 30th 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
Low
8am 0
Low
9am 0.4
Low
10am 1.3
Low
11am 2.4
Low
12pm 3.5
Moderate
1pm 4.1
Moderate
2pm 3.6
Moderate
3pm 2.4
Low
4pm 1.2
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 Friday, October 31st 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