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Last Updated 41 minutes ago
The hourly San Jose, CA UV Index forecast for Tuesday, September 16th, 2025.
Last Updated 20 hours ago
The UV index forecast for the next five days in San Jose, CA has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in San Jose over the next five days will be 7.6 on Tuesday, September 16th at 1:00 pm.
The UV index forecast for Tuesday, September 16th in San Jose, CA is below.
Time | UV Index | Risk |
---|---|---|
8am | 0.3 |
Low |
9am | 1.3 |
Low |
10am | 3 |
Moderate |
11am | 5 |
Moderate |
12pm | 6.8 |
High |
1pm | 7.6 |
High |
2pm | 7.1 |
High |
3pm | 5.6 |
Moderate |
4pm | 3.5 |
Moderate |
5pm | 1.6 |
Low |
6pm | 0.5 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Wednesday, September 17th in San Jose, 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 | 0.3 |
Low |
9am | 1.3 |
Low |
10am | 2.8 |
Low |
11am | 4.7 |
Moderate |
12pm | 5.8 |
Moderate |
1pm | 3.7 |
Moderate |
2pm | 3.6 |
Moderate |
3pm | 4.3 |
Moderate |
4pm | 2.6 |
Low |
5pm | 1 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Thursday, September 18th in San Jose, 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 | 0.2 |
Low |
9am | 0.6 |
Low |
10am | 1.6 |
Low |
11am | 2.8 |
Low |
12pm | 5.2 |
Moderate |
1pm | 4 |
Moderate |
2pm | 1 |
Low |
3pm | 0.7 |
Low |
4pm | 0.5 |
Low |
5pm | 0.2 |
Low |
6pm | 0.1 |
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 Jose, 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 |