UV Index for Vista Santa Rosa, CA

Current Vista Santa Rosa UV Index

0 (Low)

Last Updated 18 minutes ago

Hourly Vista Santa Rosa UV Index

The hourly Vista Santa Rosa, CA UV Index forecast for Saturday, December 13th, 2025.

5 Day Hourly Vista Santa Rosa UV Index Forecast

Last Updated 7 hours ago

The UV index forecast for the next five days in Vista Santa Rosa, CA has no 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 3.7 on Tuesday, December 16th at 12:00 pm.

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

Time UV Index Risk
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, December 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
Low
8am 0.4
Low
9am 1.2
Low
10am 2.3
Low
11am 3
Moderate
12pm 3.3
Moderate
1pm 2.8
Low
2pm 1.8
Low
3pm 0.8
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, December 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
Low
8am 0.4
Low
9am 1.2
Low
10am 2.3
Low
11am 3.2
Moderate
12pm 3.4
Moderate
1pm 2.9
Low
2pm 1.9
Low
3pm 0.8
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, December 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
6am 0
Low
7am 0
Low
8am 0.4
Low
9am 1.3
Low
10am 2.5
Low
11am 3.4
Moderate
12pm 3.7
Moderate
1pm 3.1
Moderate
2pm 2
Low
3pm 0.9
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, December 17th 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