UV Index for Onyx, CA

Current Onyx UV Index

0.6 (Low)

Last Updated 38 minutes ago

Hourly Onyx UV Index

The hourly Onyx, CA UV Index forecast for Friday, October 31st, 2025.

5 Day Hourly Onyx UV Index Forecast

Last Updated 22 hours ago

The UV index forecast for the next five days in Onyx, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Onyx over the next five days will be 5 on Saturday, November 1st at 1:00 pm.

The UV index forecast for Friday, October 31st in Onyx, CA is below.

Time UV Index Risk
10am 1.8
Low
11am 3.2
Moderate
12pm 4.5
Moderate
1pm 4.9
Moderate
2pm 4.4
Moderate
3pm 3
Moderate
4pm 1.6
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 Onyx, 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 0.6
Low
10am 1.8
Low
11am 3.4
Moderate
12pm 4.6
Moderate
1pm 5
Moderate
2pm 4.4
Moderate
3pm 3.1
Moderate
4pm 1.6
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 Onyx, 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
Low
8am 0.6
Low
9am 1.7
Low
10am 3.2
Moderate
11am 4.2
Moderate
12pm 4.6
Moderate
1pm 4.1
Moderate
2pm 2.8
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 Onyx, CA is below.

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