0 (Low)
Last Updated 48 minutes ago
The hourly Vallejo, CA UV Index forecast for Sunday, August 31st, 2025.
Last Updated 10 hours ago
The UV index forecast for the next five days in Vallejo, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Vallejo over the next five days will be 7.9 on Wednesday, September 3rd at 1:00 pm.
The UV index forecast for Sunday, August 31st in Vallejo, CA is below.
Time | UV Index | Risk |
---|---|---|
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Monday, September 1st in Vallejo, 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 | 3.1 |
Moderate |
11am | 5 |
Moderate |
12pm | 6.7 |
High |
1pm | 7.5 |
High |
2pm | 7.1 |
High |
3pm | 5.6 |
Moderate |
4pm | 3.7 |
Moderate |
5pm | 1.8 |
Low |
6pm | 0.6 |
Low |
7pm | 0.1 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Tuesday, September 2nd in Vallejo, 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 | 3.1 |
Moderate |
11am | 5.1 |
Moderate |
12pm | 6.8 |
High |
1pm | 7.5 |
High |
2pm | 7.2 |
High |
3pm | 5.7 |
Moderate |
4pm | 3.8 |
Moderate |
5pm | 1.9 |
Low |
6pm | 0.7 |
Low |
7pm | 0.1 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Wednesday, September 3rd in Vallejo, 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 | 5.2 |
Moderate |
12pm | 7 |
High |
1pm | 7.9 |
High |
2pm | 7.5 |
High |
3pm | 6 |
High |
4pm | 3.6 |
Moderate |
5pm | 1.7 |
Low |
6pm | 0.6 |
Low |
7pm | 0.1 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Thursday, September 4th in Vallejo, 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 |