UV Index for Vista Santa Rosa, CA

Current Vista Santa Rosa UV Index

0 (Low)

Last Updated 27 minutes ago

Hourly Vista Santa Rosa UV Index

The hourly Vista Santa Rosa, CA UV Index forecast for Sunday, July 13th, 2025.

5 Day Hourly Vista Santa Rosa UV Index Forecast

Last Updated 15 hours ago

The UV index forecast for the next five days in Vista Santa Rosa, CA has 3 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Vista Santa Rosa over the next five days will be 12.5 on Sunday, July 13th at 1:00 pm.

The UV index forecast for Sunday, July 13th in Vista Santa Rosa, CA is below.

Time UV Index Risk
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.5
Low
8am 1.8
Low
9am 4.2
Moderate
10am 7.2
High
11am 10.1
Very High
12pm 12.1
Extreme
1pm 12.5
Extreme
2pm 11.4
Extreme
3pm 8.8
Very High
4pm 5.7
Moderate
5pm 3
Moderate
6pm 1.1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 14th in Vista Santa Rosa, 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 1.7
Low
9am 3.9
Moderate
10am 6.8
High
11am 9.6
Very High
12pm 11.5
Extreme
1pm 11.9
Extreme
2pm 10.8
Very High
3pm 8.3
Very High
4pm 5.4
Moderate
5pm 2.8
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 15th in Vista Santa Rosa, 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 1.7
Low
9am 3.8
Moderate
10am 6.6
High
11am 9.4
Very High
12pm 11.3
Extreme
1pm 11.8
Extreme
2pm 10.6
Very High
3pm 8.2
Very High
4pm 5.3
Moderate
5pm 2.7
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 16th in Vista Santa Rosa, 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