UV Index for Napa, CA

Current Napa UV Index

7.5 (High)

Last Updated 3 minutes ago

Hourly Napa UV Index

The hourly Napa, CA UV Index forecast for Saturday, May 18th, 2024.

5 Day Hourly Napa UV Index Forecast

Last Updated 1 hour ago

The UV index forecast for the next five days in Napa, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Napa over the next five days will be 8.2 on Saturday, May 18th at 1:00 pm.

The UV index forecast for Saturday, May 18th in Napa, CA is below.

Time UV Index Risk
1pm 8.2
Very High
2pm 7.8
High
3pm 6.5
High
4pm 4.6
Moderate
5pm 2.7
Low
6pm 1.2
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, May 19th in Napa, 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 0.9
Low
9am 2.2
Low
10am 4
Moderate
11am 5.9
Moderate
12pm 7.5
High
1pm 8.2
Very High
2pm 7.9
High
3pm 6.6
High
4pm 4.6
Moderate
5pm 2.7
Low
6pm 1.2
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, May 20th in Napa, 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 0.8
Low
9am 2
Low
10am 3.6
Moderate
11am 5.3
Moderate
12pm 6.7
High
1pm 7.4
High
2pm 7.1
High
3pm 5.9
Moderate
4pm 4.2
Moderate
5pm 2.5
Low
6pm 1.2
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, May 21st in Napa, 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 0.8
Low
9am 1.9
Low
10am 3.6
Moderate
11am 5.3
Moderate
12pm 6.8
High
1pm 7.5
High
2pm 7.1
High
3pm 5.9
Moderate
4pm 4.2
Moderate
5pm 2.5
Low
6pm 1.2
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, May 22nd in Napa, 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