UV Index for Penn Valley, CA

Current Penn Valley UV Index

0.4 (Low)

Last Updated 21 minutes ago

Hourly Penn Valley UV Index

The hourly Penn Valley, CA UV Index forecast for Friday, December 19th, 2025.

5 Day Hourly Penn Valley UV Index Forecast

Last Updated 22 minutes ago

The UV index forecast for the next five days in Penn Valley, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Penn Valley over the next five days will be 0.8 on Friday, December 19th at 12:00 pm.

The UV index forecast for Friday, December 19th in Penn Valley, CA is below.

Time UV Index Risk
11am 0.7
Low
12pm 0.8
Low
1pm 0.4
Low
2pm 0
Low
3pm 0
Low
4pm 0
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 Saturday, December 20th in Penn Valley, 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 0.1
Low
10am 0.4
Low
11am 0.4
Low
12pm 0.5
Low
1pm 0.4
Low
2pm 0.4
Low
3pm 0.2
Low
4pm 0.1
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 Sunday, December 21st in Penn Valley, 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 0.1
Low
10am 0.2
Low
11am 0.2
Low
12pm 0.2
Low
1pm 0.5
Low
2pm 0.3
Low
3pm 0.2
Low
4pm 0
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, December 22nd in Penn Valley, 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 0.1
Low
9am 0.2
Low
10am 0.4
Low
11am 0.6
Low
12pm 0.6
Low
1pm 0.4
Low
2pm 0.3
Low
3pm 0.1
Low
4pm 0
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 Tuesday, December 23rd in Penn Valley, CA is below.

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