UV Index for Cupertino, CA

Current Cupertino UV Index

0 (Low)

Last Updated 17 minutes ago

Hourly Cupertino UV Index

The hourly Cupertino, CA UV Index forecast for Sunday, July 13th, 2025.

5 Day Hourly Cupertino UV Index Forecast

Last Updated 15 hours ago

The UV index forecast for the next five days in Cupertino, CA has 1 day reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Cupertino over the next five days will be 11 on Sunday, July 13th at 1:00 pm.

The UV index forecast for Sunday, July 13th in Cupertino, CA is below.

Time UV Index Risk
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.3
Low
8am 1.1
Low
9am 2.7
Low
10am 5.2
Moderate
11am 7.9
High
12pm 10
Very High
1pm 11
Extreme
2pm 10.5
Very High
3pm 8.7
Very High
4pm 6.2
High
5pm 3.6
Moderate
6pm 1.6
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 14th in Cupertino, 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 0.3
Low
8am 1.2
Low
9am 2.8
Low
10am 5.3
Moderate
11am 7.9
High
12pm 9.9
Very High
1pm 10.8
Very High
2pm 10.3
Very High
3pm 8.5
Very High
4pm 6
High
5pm 3.5
Moderate
6pm 1.6
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 15th in Cupertino, 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 0.3
Low
8am 1.1
Low
9am 2.8
Low
10am 5
Moderate
11am 6.6
High
12pm 7.2
High
1pm 7.7
High
2pm 8.1
Very High
3pm 7.1
High
4pm 5.2
Moderate
5pm 3
Moderate
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 16th in Cupertino, 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