UV Index for Alta Sierra, CA

Current Alta Sierra UV Index

0 (Low)

Last Updated 2 minutes ago

Hourly Alta Sierra UV Index

The hourly Alta Sierra, CA UV Index forecast for Tuesday, July 8th, 2025.

5 Day Hourly Alta Sierra UV Index Forecast

Last Updated 1 day ago

The UV index forecast for the next five days in Alta Sierra, CA has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Alta Sierra over the next five days will be 9.8 on Tuesday, July 8th at 1:00 pm.

The UV index forecast for Tuesday, July 8th in Alta Sierra, CA is below.

Time UV Index Risk
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.3
Low
8am 1.1
Low
9am 2.7
Low
10am 4.8
Moderate
11am 7.1
High
12pm 9
Very High
1pm 9.8
Very High
2pm 9.4
Very High
3pm 7.9
High
4pm 5.6
Moderate
5pm 3.3
Moderate
6pm 1.5
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 9th in Alta Sierra, 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 1.2
Low
9am 2.7
Low
10am 4.7
Moderate
11am 6.7
High
12pm 8.4
Very High
1pm 9
Very High
2pm 8.6
Very High
3pm 7.2
High
4pm 5.4
Moderate
5pm 3.2
Moderate
6pm 1.5
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 10th in Alta Sierra, 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