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Last Updated 21 minutes ago
The hourly Alum Rock, CA UV Index forecast for Tuesday, September 16th, 2025.
Last Updated 18 hours ago
The UV index forecast for the next five days in Alum Rock, CA has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Alum Rock 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 Alum Rock, CA is below.
Time | UV Index | Risk |
---|---|---|
6am | 0 |
Low |
7am | 0 |
Low |
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 Alum Rock, 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 Alum Rock, 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 Alum Rock, 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 |