UV Index Today in Chula Vista, California (CA)

Wednesday, November 4, 2026 -9:18 AM PST (GMT-8)

The UV Index in Chula Vista, California (CA) right now is 1.5. This reading was last updated at 9:00 AM PST, about 18 minutes ago. The UV Index at10:00 AM PST, in about 41 minutes from now, is expected to be 2.7.

The maximum UV Index today in Chula Vista is expected to be 4.7 at 12:00 PM PST,2 hours and 41 minutes from now. The maximum UV Index tomorrow is expected to be 4.7 at 12:00 PM PST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

November 4
4.7
12:00 PM PST
Moderate

Tomorrow

November 5
4.7
12:00 PM PST
Moderate

UV Index Today Hourly

November 4

Based on the latest forecast, Chula Vista, California (CA) will see a peak UV Index of 4.7today around 12:00 PM PST, which is classified as Moderate risk.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PMPacific Standard Time (PST, GMT-8)Now: 9:18 AM00.10.61.52.74.34.742.71.40.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

November 5

Tomorrow in Chula Vista, California (CA), the UV Index is expected to reach up to 4.7 around12:00 PM PST, placing it in the Moderate risk category for sun exposure.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PMPacific Standard Time (PST, GMT-8)00.10.71.83.34.44.74.12.71.40.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

November 3, 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 AM0.1
Low
8:00 AM0.8
Low
9:00 AM2.1
Low
10:00 AM3.6
Moderate
11:00 AM4.8
Moderate
12:00 PM5.1
Moderate
1:00 PM4.4
Moderate
2:00 PM3
Moderate
3:00 PM1.5
Low
4:00 PM0.4
Low
5:00 PM0
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

November 4, 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 AM0.1
Low
8:00 AM0.6
Low
9:00 AM1.5
Low
10:00 AM2.7
Moderate
11:00 AM4.3
Moderate
12:00 PM4.7
Moderate
1:00 PM4
Moderate
2:00 PM2.7
Moderate
3:00 PM1.4
Low
4:00 PM0.4
Low
5:00 PM0
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

November 5, 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 AM0.1
Low
8:00 AM0.7
Low
9:00 AM1.8
Low
10:00 AM3.3
Moderate
11:00 AM4.4
Moderate
12:00 PM4.7
Moderate
1:00 PM4.1
Moderate
2:00 PM2.7
Moderate
3:00 PM1.4
Low
4:00 PM0.4
Low
5:00 PM0
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

November 6, 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 AM0.1
Low
8:00 AM0.7
Low
9:00 AM1.7
Low
10:00 AM3
Moderate
11:00 AM4.1
Moderate
12:00 PM4.3
Moderate
1:00 PM3.7
Moderate
2:00 PM2.5
Moderate
3:00 PM1.2
Low
4:00 PM0.4
Low
5:00 PM0
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

November 7, 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
Low
8:00 AM0.7
Low
9:00 AM1.8
Low
10:00 AM3.1
Moderate
11:00 AM4.2
Moderate
12:00 PM4.5
Moderate
1:00 PM3.8
Moderate
2:00 PM2.6
Moderate
3:00 PM1.3
Low
4:00 PM0.4
Low
5:00 PM0
Low
6:00 PM0
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
  • San Diego - 4.7
Data Source: National Oceanic and Atmospheric Administration (NOAA)