1.6 (Low)
Last Updated 33 minutes ago
The hourly Portola, CA UV Index forecast for Thursday, July 10th, 2025.
Last Updated 7 hours ago
The UV index forecast for the next five days in Portola, CA has 4 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Portola over the next five days will be 11.7 on Thursday, July 10th at 1:00 pm.
The UV index forecast for Thursday, July 10th in Portola, CA is below.
Time | UV Index | Risk |
---|---|---|
7pm | 0.5 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, July 11th in Portola, 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 | 0.5 |
Low |
8am | 1.5 |
Low |
9am | 3.5 |
Moderate |
10am | 6.1 |
High |
11am | 8.8 |
Very High |
12pm | 10.8 |
Very High |
1pm | 11.6 |
Extreme |
2pm | 11 |
Extreme |
3pm | 9 |
Very High |
4pm | 6.3 |
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 Saturday, July 12th in Portola, 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 | 3.4 |
Moderate |
10am | 6 |
High |
11am | 8.7 |
Very High |
12pm | 10.7 |
Very High |
1pm | 11.5 |
Extreme |
2pm | 10.9 |
Very High |
3pm | 8.8 |
Very High |
4pm | 6.1 |
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 Sunday, July 13th in Portola, 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 | 3.4 |
Moderate |
10am | 6 |
High |
11am | 8.7 |
Very High |
12pm | 10.7 |
Very High |
1pm | 11.5 |
Extreme |
2pm | 9.8 |
Very High |
3pm | 6.6 |
High |
4pm | 5.8 |
Moderate |
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 Monday, July 14th in Portola, 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 |