UV Index Today in San Diego, California (CA)

Saturday, August 29, 2026 -9:47 AM PDT (GMT-7)

The UV Index in San Diego, California (CA) right now is 2.6. This reading was last updated at 9:00 AM PDT, about 47 minutes ago. The UV Index at10:00 AM PDT, in about 12 minutes from now, is expected to be 5.1.

The maximum UV Index today in San Diego is expected to be 10.1 at 1:00 PM PDT,3 hours and 12 minutes from now. The maximum UV Index tomorrow is expected to be 10 at 1:00 PM PDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 29
10.1
1:00 PM PDT
Very High

Tomorrow

August 30
10
1:00 PM PDT
Very High

UV Index Today Hourly

August 29

Data shows San Diego, California (CA)'s UV Index climbing to 10.1 today, peaking at1:00 PM PDT under Very High conditions.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMPacific Daylight Time (PDT, GMT-7)Now: 9:47 AM00.20.92.65.17.69.610.196.84.11.80.50
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 30

UV Index tomorrow for San Diego, California (CA) reaches 10 at 1:00 PM PDT, representingVery High risk.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMPacific Daylight Time (PDT, GMT-7)00.20.92.657.69.5108.96.641.80.50
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 28, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.9
Low
9:00 AM2.5
Moderate
10:00 AM4.9
Moderate
11:00 AM7.5
Very High
12:00 PM9.2
Very High
1:00 PM9.9
Very High
2:00 PM8.8
Very High
3:00 PM6.6
High
4:00 PM4
Moderate
5:00 PM1.8
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 29, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.9
Low
9:00 AM2.6
Moderate
10:00 AM5.1
Moderate
11:00 AM7.6
Very High
12:00 PM9.6
Very High
1:00 PM10.1
Very High
2:00 PM9
Very High
3:00 PM6.8
High
4:00 PM4.1
Moderate
5:00 PM1.8
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 30, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.9
Low
9:00 AM2.6
Moderate
10:00 AM5
Moderate
11:00 AM7.6
Very High
12:00 PM9.5
Very High
1:00 PM10
Very High
2:00 PM8.9
Very High
3:00 PM6.6
High
4:00 PM4
Moderate
5:00 PM1.8
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 31, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.9
Low
9:00 AM2.5
Moderate
10:00 AM4.8
Moderate
11:00 AM7.3
High
12:00 PM9.2
Very High
1:00 PM9.8
Very High
2:00 PM8.8
Very High
3:00 PM6.6
High
4:00 PM4
Moderate
5:00 PM1.8
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 1, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.9
Low
9:00 AM2.6
Moderate
10:00 AM5.2
Moderate
11:00 AM7.8
Very High
12:00 PM9.8
Very High
1:00 PM10.3
Very High
2:00 PM9.2
Very High
3:00 PM6.9
High
4:00 PM4.2
Moderate
5:00 PM1.8
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
  • Chula Vista - 10.1
Data Source: National Oceanic and Atmospheric Administration (NOAA)