UV Index Today in Santa Ana, California (CA)

Tuesday, October 13, 2026 -12:26 PM PDT (GMT-7)

The UV Index in Santa Ana, California (CA) right now is 5.5. This reading was last updated at 12:00 PM PDT, about 26 minutes ago. The UV Index at1:00 PM PDT, in about 33 minutes from now, is expected to be 6.

The maximum UV Index today in Santa Ana is expected to be 6 at 1:00 PM PDT,33 minutes from now. The maximum UV Index tomorrow is expected to be 6.2 at 1:00 PM PDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

October 13
6
1:00 PM PDT
High

Tomorrow

October 14
6.2
1:00 PM PDT
High

UV Index Today Hourly

October 13

The sun will be strongest in Santa Ana, California (CA) around 1:00 PM PDT today, with a UV Index of 6 (High risk).

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMPacific Daylight Time (PDT, GMT-7)Now: 12:26 PM00.212.44.15.565.33.82.10.70.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

October 14

The highest UV reading in Santa Ana, California (CA) tomorrow is 6.2 at 1:00 PM PDT, falling in the High category.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMPacific Daylight Time (PDT, GMT-7)00.212.54.45.86.25.53.92.10.70.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

October 12, 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 AM0.1
Low
9:00 AM0.5
Low
10:00 AM1.7
Low
11:00 AM3
Moderate
12:00 PM4
Moderate
1:00 PM5
Moderate
2:00 PM3.3
Moderate
3:00 PM2.9
Moderate
4:00 PM1.2
Low
5:00 PM0.4
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

October 13, 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 AM0.2
Low
9:00 AM1
Low
10:00 AM2.4
Low
11:00 AM4.1
Moderate
12:00 PM5.5
High
1:00 PM6
High
2:00 PM5.3
Moderate
3:00 PM3.8
Moderate
4:00 PM2.1
Low
5:00 PM0.7
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

October 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
Low
8:00 AM0.2
Low
9:00 AM1
Low
10:00 AM2.5
Moderate
11:00 AM4.4
Moderate
12:00 PM5.8
High
1:00 PM6.2
High
2:00 PM5.5
High
3:00 PM3.9
Moderate
4:00 PM2.1
Low
5:00 PM0.7
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

October 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
Low
8:00 AM0.2
Low
9:00 AM1
Low
10:00 AM2.5
Moderate
11:00 AM4.3
Moderate
12:00 PM5.6
High
1:00 PM6
High
2:00 PM5.3
Moderate
3:00 PM3.8
Moderate
4:00 PM2
Low
5:00 PM0.7
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

October 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
Low
8:00 AM0.2
Low
9:00 AM1
Low
10:00 AM2.4
Low
11:00 AM4.2
Moderate
12:00 PM5.6
High
1:00 PM6
High
2:00 PM5.3
Moderate
3:00 PM3.8
Moderate
4:00 PM2
Low
5:00 PM0.7
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
  • Anaheim - 6.1
  • Irvine - 6.1
Data Source: National Oceanic and Atmospheric Administration (NOAA)