UV Index for Lake Arrowhead, CA

Current Lake Arrowhead UV Index

1 (Low)

Last Updated 17 minutes ago

Hourly Lake Arrowhead UV Index

The hourly Lake Arrowhead, CA UV Index forecast for Tuesday, August 12th, 2025.

5 Day Hourly Lake Arrowhead UV Index Forecast

Last Updated 21 hours ago

The UV index forecast for the next five days in Lake Arrowhead, CA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Lake Arrowhead over the next five days will be 10.6 on Thursday, August 14th at 1:00 pm.

The UV index forecast for Tuesday, August 12th in Lake Arrowhead, CA is below.

Time UV Index Risk
9am 2.5
Low
10am 4.6
Moderate
11am 6.9
High
12pm 8.6
Very High
1pm 9.2
Very High
2pm 8.2
Very High
3pm 6.4
High
4pm 4
Moderate
5pm 1.9
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 Wednesday, August 13th in Lake Arrowhead, 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 0.2
Low
8am 1.1
Low
9am 2.8
Low
10am 5.2
Moderate
11am 7.7
High
12pm 9.5
Very High
1pm 10
Very High
2pm 9
Very High
3pm 6.7
High
4pm 4.2
Moderate
5pm 2
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 Thursday, August 14th in Lake Arrowhead, 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 0.2
Low
8am 1.1
Low
9am 2.9
Low
10am 5.4
Moderate
11am 8
Very High
12pm 10.1
Very High
1pm 10.6
Very High
2pm 9.5
Very High
3pm 7.4
High
4pm 4.6
Moderate
5pm 2.2
Low
6pm 0.8
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, August 15th in Lake Arrowhead, 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