UV Index Today in Chula Vista, California (CA)

Wednesday, July 15, 2026 -10:20 AM PDT (GMT-7)

The UV Index in Chula Vista, California (CA) right now is 6.4. This reading was last updated at 10:00 AM PDT, about 20 minutes ago. The UV Index at11:00 AM PDT, in about 39 minutes from now, is expected to be 9.1.

The maximum UV Index today in Chula Vista is expected to be 11.6 at 1:00 PM PDT,2 hours and 39 minutes from now. The maximum UV Index tomorrow is expected to be 11.5 at 1:00 PM PDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

July 15
11.6
1:00 PM PDT
Extreme

Tomorrow

July 16
11.5
1:00 PM PDT
Extreme

UV Index Today Hourly

July 15

Based on the latest forecast, Chula Vista, California (CA) will see a peak UV Index of 11.6today around 1:00 PM PDT, which is classified as Extreme risk.

0246810126 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMPacific Daylight Time (PDT, GMT-7)Now: 10:20 AM00.41.63.76.49.111.111.610.58.25.32.710.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

July 16

Tomorrow in Chula Vista, California (CA), the UV Index is expected to reach up to 11.5 around1:00 PM PDT, placing it in the Extreme risk category for sun exposure.

0246810126 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMPacific Daylight Time (PDT, GMT-7)00.41.63.76.49.11111.510.485.22.710.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

July 14, 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 AM0.4
Low
8:00 AM1.6
Low
9:00 AM3.6
Moderate
10:00 AM6.2
High
11:00 AM8.7
Very High
12:00 PM10.6
Extreme
1:00 PM11
Extreme
2:00 PM10.1
Very High
3:00 PM6.9
High
4:00 PM3.2
Moderate
5:00 PM1.8
Low
6:00 PM1
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 15, 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 AM0.4
Low
8:00 AM1.6
Low
9:00 AM3.7
Moderate
10:00 AM6.4
High
11:00 AM9.1
Very High
12:00 PM11.1
Extreme
1:00 PM11.6
Extreme
2:00 PM10.5
Extreme
3:00 PM8.2
Very High
4:00 PM5.3
Moderate
5:00 PM2.7
Moderate
6:00 PM1
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 16, 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 AM0.4
Low
8:00 AM1.6
Low
9:00 AM3.7
Moderate
10:00 AM6.4
High
11:00 AM9.1
Very High
12:00 PM11
Extreme
1:00 PM11.5
Extreme
2:00 PM10.4
Very High
3:00 PM8
Very High
4:00 PM5.2
Moderate
5:00 PM2.7
Moderate
6:00 PM1
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 17, 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 AM0.4
Low
8:00 AM1.5
Low
9:00 AM3.5
Moderate
10:00 AM6.2
High
11:00 AM9
Very High
12:00 PM10.8
Extreme
1:00 PM10.2
Very High
2:00 PM5.6
High
3:00 PM5.2
Moderate
4:00 PM1.6
Low
5:00 PM0.4
Low
6:00 PM0.2
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 18, 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 AM0.3
Low
8:00 AM1.3
Low
9:00 AM3.6
Moderate
10:00 AM6.2
High
11:00 AM9.1
Very High
12:00 PM11.1
Extreme
1:00 PM11.6
Extreme
2:00 PM10.5
Extreme
3:00 PM8.2
Very High
4:00 PM5.3
Moderate
5:00 PM2.7
Moderate
6:00 PM1
Low
7:00 PM0.2
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
  • San Diego - 11.6
Data Source: National Oceanic and Atmospheric Administration (NOAA)