UV Index for Upper Lake, CA

Current Upper Lake UV Index

1.7 (Low)

Last Updated 38 minutes ago

Hourly Upper Lake UV Index

The hourly Upper Lake, CA UV Index forecast for Thursday, July 10th, 2025.

5 Day Hourly Upper Lake UV Index Forecast

Last Updated 7 hours ago

The UV index forecast for the next five days in Upper Lake, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Upper Lake over the next five days will be 10.7 on Thursday, July 10th at 1:00 pm.

The UV index forecast for Thursday, July 10th in Upper Lake, CA is below.

Time UV Index Risk
7pm 0.6
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 11th 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 0.3
Low
8am 1.1
Low
9am 2.7
Low
10am 5
Moderate
11am 7.4
High
12pm 9.4
Very High
1pm 10.4
Very High
2pm 10
Very High
3pm 8.4
Very High
4pm 6
High
5pm 3.6
Moderate
6pm 1.7
Low
7pm 0.6
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 12th 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 0.3
Low
8am 1.1
Low
9am 2.7
Low
10am 5
Moderate
11am 7.4
High
12pm 9.4
Very High
1pm 10.4
Very High
2pm 10
Very High
3pm 8.3
Very High
4pm 6
High
5pm 3.6
Moderate
6pm 1.7
Low
7pm 0.6
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 13th 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 0.3
Low
8am 1.2
Low
9am 2.8
Low
10am 5.1
Moderate
11am 7.6
High
12pm 9.7
Very High
1pm 10.7
Very High
2pm 10.3
Very High
3pm 8.7
Very High
4pm 6.2
High
5pm 3.7
Moderate
6pm 1.7
Low
7pm 0.6
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 14th 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