0 (Low)
Last Updated 12 minutes ago
The hourly Upper Lake, CA UV Index forecast for Wednesday, September 17th, 2025.
Last Updated 14 hours ago
The UV index forecast for the next five days in Upper Lake, CA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Upper Lake over the next five days will be 7.4 on Wednesday, September 17th at 1:00 pm.
The UV index forecast for Wednesday, September 17th in Upper Lake, CA is below.
Time | UV Index | Risk |
---|---|---|
2am | 0 |
Low |
3am | 0 |
Low |
4am | 0 |
Low |
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0 |
Low |
8am | 0.3 |
Low |
9am | 1.2 |
Low |
10am | 2.7 |
Low |
11am | 4.7 |
Moderate |
12pm | 6.5 |
High |
1pm | 7.4 |
High |
2pm | 7 |
High |
3pm | 5.6 |
Moderate |
4pm | 3.6 |
Moderate |
5pm | 1.7 |
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 Thursday, September 18th in Upper Lake, 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 | 0.8 |
Low |
10am | 1.6 |
Low |
11am | 4.1 |
Moderate |
12pm | 5.9 |
Moderate |
1pm | 6 |
High |
2pm | 4.7 |
Moderate |
3pm | 3 |
Moderate |
4pm | 1.6 |
Low |
5pm | 0.6 |
Low |
6pm | 0.2 |
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 Upper Lake, 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 | 0.1 |
Low |
9am | 0.2 |
Low |
10am | 0.7 |
Low |
11am | 2 |
Low |
12pm | 5.2 |
Moderate |
1pm | 6.5 |
High |
2pm | 6 |
High |
3pm | 2.4 |
Low |
4pm | 0.5 |
Low |
5pm | 0.2 |
Low |
6pm | 0 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Upper Lake, 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 |