UV Index for San Diego, CA

Current San Diego UV Index

0.4 (Low)

Last Updated 44 minutes ago

Hourly San Diego UV Index

The hourly San Diego, CA UV Index forecast for Monday, August 25th, 2025.

5 Day Hourly San Diego UV Index Forecast

Last Updated 7 hours ago

The UV index forecast for the next five days in San Diego, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in San Diego over the next five days will be 10 on Tuesday, August 26th at 1:00 pm.

The UV index forecast for Monday, August 25th in San Diego, CA is below.

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

The UV index forecast for Tuesday, August 26th in San Diego, 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 2.6
Low
10am 5
Moderate
11am 7.5
High
12pm 9.4
Very High
1pm 10
Very High
2pm 9
Very High
3pm 6.8
High
4pm 4.2
Moderate
5pm 1.9
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, August 27th in San Diego, 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 2.6
Low
10am 5
Moderate
11am 7.5
High
12pm 9.4
Very High
1pm 9.8
Very High
2pm 8.9
Very High
3pm 6.8
High
4pm 4.1
Moderate
5pm 1.9
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, August 28th in San Diego, 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 2.6
Low
10am 5
Moderate
11am 7.7
High
12pm 9.5
Very High
1pm 10
Very High
2pm 9
Very High
3pm 6.8
High
4pm 4.2
Moderate
5pm 1.8
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, August 29th in San Diego, 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