UV Index for Petaluma, CA

Current Petaluma UV Index

1 (Low)

Last Updated 39 minutes ago

Hourly Petaluma UV Index

The hourly Petaluma, CA UV Index forecast for Monday, April 28th, 2025.

5 Day Hourly Petaluma UV Index Forecast

Last Updated 7 hours ago

The UV index forecast for the next five days in Petaluma, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Petaluma over the next five days will be 8.1 on Tuesday, April 29th at 1:00 pm.

The UV index forecast for Monday, April 28th in Petaluma, CA is below.

Time UV Index Risk
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, April 29th in Petaluma, 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 0.1
Low
8am 0.7
Low
9am 1.8
Low
10am 3.7
Moderate
11am 5.8
Moderate
12pm 7.4
High
1pm 8.1
Very High
2pm 7.7
High
3pm 5.9
Moderate
4pm 3.5
Moderate
5pm 2
Low
6pm 0.6
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, April 30th in Petaluma, 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 0.1
Low
8am 0.6
Low
9am 1.8
Low
10am 3.5
Moderate
11am 5.4
Moderate
12pm 6.3
High
1pm 6.7
High
2pm 6.2
High
3pm 5.2
Moderate
4pm 3.7
Moderate
5pm 2
Low
6pm 0.9
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, May 1st in Petaluma, 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 0.6
Low
9am 1.8
Low
10am 3.4
Moderate
11am 5.1
Moderate
12pm 6.6
High
1pm 7.3
High
2pm 7
High
3pm 5.6
Moderate
4pm 3.6
Moderate
5pm 1.9
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 Friday, May 2nd in Petaluma, 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