UV Index Today in Santa Ana, California (CA)

Saturday, August 8, 2026 -9:27 AM PDT (GMT-7)

The UV Index in Santa Ana, California (CA) right now is 2.8. This reading was last updated at 9:00 AM PDT, about 27 minutes ago. The UV Index at10:00 AM PDT, in about 32 minutes from now, is expected to be 5.

The maximum UV Index today in Santa Ana is expected to be 9.6 at 1:00 PM PDT,3 hours and 32 minutes from now. The maximum UV Index tomorrow is expected to be 9.1 at 12:00 PM PDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 8
9.6
1:00 PM PDT
Very High

Tomorrow

August 9
9.1
12:00 PM PDT
Very High

UV Index Today Hourly

August 8

The sun will be strongest in Santa Ana, California (CA) around 1:00 PM PDT today, with a UV Index of 9.6 (Very High risk).

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMPacific Daylight Time (PDT, GMT-7)Now: 9:27 AM00.31.12.857.69.59.68.87.24.62.30.80.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 9

The highest UV reading in Santa Ana, California (CA) tomorrow is 9.1 at 12:00 PM PDT, falling in the Very High category.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMPacific Daylight Time (PDT, GMT-7)00.21.12.757.49.19.18.46.54.11.90.60.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 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 AM0.3
Low
8:00 AM1.1
Low
9:00 AM2.8
Moderate
10:00 AM5.2
Moderate
11:00 AM7.5
Very High
12:00 PM8.9
Very High
1:00 PM9.3
Very High
2:00 PM8.5
Very High
3:00 PM6.6
High
4:00 PM4.3
Moderate
5:00 PM2.3
Low
6:00 PM0.8
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 8, 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 AM1.1
Low
9:00 AM2.8
Moderate
10:00 AM5
Moderate
11:00 AM7.6
Very High
12:00 PM9.5
Very High
1:00 PM9.6
Very High
2:00 PM8.8
Very High
3:00 PM7.2
High
4:00 PM4.6
Moderate
5:00 PM2.3
Low
6:00 PM0.8
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 9, 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 AM1.1
Low
9:00 AM2.7
Moderate
10:00 AM5
Moderate
11:00 AM7.4
High
12:00 PM9.1
Very High
1:00 PM9.1
Very High
2:00 PM8.4
Very High
3:00 PM6.5
High
4:00 PM4.1
Moderate
5:00 PM1.9
Low
6:00 PM0.6
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 10, 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 AM1
Low
9:00 AM2.7
Moderate
10:00 AM5
Moderate
11:00 AM7.4
High
12:00 PM8.9
Very High
1:00 PM9.6
Very High
2:00 PM8.7
Very High
3:00 PM6.8
High
4:00 PM4.3
Moderate
5:00 PM2
Low
6:00 PM0.7
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 11, 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 AM1
Low
9:00 AM2.3
Low
10:00 AM4.7
Moderate
11:00 AM6.7
High
12:00 PM8.1
Very High
1:00 PM8.7
Very High
2:00 PM7.9
Very High
3:00 PM6.5
High
4:00 PM4.1
Moderate
5:00 PM1.9
Low
6:00 PM0.6
Low
7:00 PM0.1
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
  • Anaheim - 10.2
  • Irvine - 10.2
Data Source: National Oceanic and Atmospheric Administration (NOAA)