UV Index for San Fernando, CA

Current San Fernando UV Index

0 (Low)

Last Updated 33 minutes ago

Hourly San Fernando UV Index

The hourly San Fernando, CA UV Index forecast for Wednesday, September 17th, 2025.

5 Day Hourly San Fernando UV Index Forecast

Last Updated 8 hours ago

The UV index forecast for the next five days in San Fernando, CA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in San Fernando over the next five days will be 8 on Friday, September 19th at 1:00 pm.

The UV index forecast for Wednesday, September 17th in San Fernando, CA is below.

Time UV Index Risk
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 18th in San Fernando, 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 0.6
Low
10am 2.4
Low
11am 3.8
Moderate
12pm 2.5
Low
1pm 0.9
Low
2pm 2
Low
3pm 1.8
Low
4pm 2
Low
5pm 1
Low
6pm 0.2
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 San Fernando, 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 0.4
Low
9am 1.4
Low
10am 3.2
Moderate
11am 5.3
Moderate
12pm 7.4
High
1pm 8
Very High
2pm 7.1
High
3pm 5.4
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 San Fernando, 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 0.5
Low
9am 1.6
Low
10am 3.6
Moderate
11am 5.9
Moderate
12pm 7.6
High
1pm 7.8
High
2pm 7
High
3pm 5.2
Moderate
4pm 3.1
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 San Fernando, 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