UV Index for Westmont, CA

Current Westmont UV Index

0 (Low)

Last Updated 44 minutes ago

Hourly Westmont UV Index

The hourly Westmont, CA UV Index forecast for Wednesday, July 9th, 2025.

5 Day Hourly Westmont UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Westmont, CA has 3 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Westmont over the next five days will be 11.8 on Thursday, July 10th at 1:00 pm.

The UV index forecast for Wednesday, July 9th in Westmont, CA is below.

Time UV Index Risk
5am 0
Low
6am 0
Low
7am 0.4
Low
8am 1.5
Low
9am 3.5
Moderate
10am 6.2
High
11am 9
Very High
12pm 11
Extreme
1pm 11.7
Extreme
2pm 10.7
Very High
3pm 8.5
Very High
4pm 5.7
Moderate
5pm 3.1
Moderate
6pm 1.2
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 10th in Westmont, 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 0.4
Low
8am 1.5
Low
9am 3.6
Moderate
10am 6.3
High
11am 9.1
Very High
12pm 11.2
Extreme
1pm 11.8
Extreme
2pm 10.8
Very High
3pm 8.6
Very High
4pm 5.7
Moderate
5pm 3.1
Moderate
6pm 1.2
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 11th in Westmont, 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 0.4
Low
8am 1.5
Low
9am 3.5
Moderate
10am 6.2
High
11am 9
Very High
12pm 11
Extreme
1pm 11.6
Extreme
2pm 10.7
Very High
3pm 8.5
Very High
4pm 5.7
Moderate
5pm 3
Moderate
6pm 1.2
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 12th in Westmont, 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