UV Index Today in Riverside, California (CA)

Tuesday, April 7, 2026 - 1:48 AM PDT (GMT-7)

The UV Index in Riverside, California (CA) right now is 0. This reading was last updated at 1:00 AM PDT, about 48 minutes ago. The UV Index at 2:00 AM PDT, in about 11 minutes from now, is expected to be 0.

The maximum UV Index today in Riverside is expected to be 8.5 at 1:00 PM PDT, 11 hours and 11 minutes from now. The maximum UV Index tomorrow is expected to be 8.6 at 1:00 PM PDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

April 7
8.5
1:00 PM PDT
Very High

Tomorrow

April 8
8.6
1:00 PM PDT
Very High

UV Index Today Hourly

April 7

Data shows Riverside, California (CA)'s UV Index climbing to 8.5 today, peaking at 1:00 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: 1:48 AM00.10.72.14.26.58.18.57.75.83.51.60.50
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

April 8

Based on the latest forecast, Riverside, California (CA) will see a peak UV Index of 8.6 tomorrow around 1:00 PM PDT, which is classified as Very High risk.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMPacific Daylight Time (PDT, GMT-7) 00.10.82.24.36.68.28.67.75.73.51.60.50
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

April 6, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.1
Low
8:00 AM 0.4
Low
9:00 AM 1.3
Low
10:00 AM 3.3
Moderate
11:00 AM 5.1
Moderate
12:00 PM 6.2
High
1:00 PM 6.5
High
2:00 PM 7.7
Very High
3:00 PM 5.7
High
4:00 PM 3.5
Moderate
5:00 PM 1.6
Low
6:00 PM 0.4
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 7, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.1
Low
8:00 AM 0.7
Low
9:00 AM 2.1
Low
10:00 AM 4.2
Moderate
11:00 AM 6.5
High
12:00 PM 8.1
Very High
1:00 PM 8.5
Very High
2:00 PM 7.7
Very High
3:00 PM 5.8
High
4:00 PM 3.5
Moderate
5:00 PM 1.6
Low
6:00 PM 0.5
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 8, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.1
Low
8:00 AM 0.8
Low
9:00 AM 2.2
Low
10:00 AM 4.3
Moderate
11:00 AM 6.6
High
12:00 PM 8.2
Very High
1:00 PM 8.6
Very High
2:00 PM 7.7
Very High
3:00 PM 5.7
High
4:00 PM 3.5
Moderate
5:00 PM 1.6
Low
6:00 PM 0.5
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 9, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.1
Low
8:00 AM 0.6
Low
9:00 AM 1.8
Low
10:00 AM 3.4
Moderate
11:00 AM 5.3
Moderate
12:00 PM 6.7
High
1:00 PM 6.8
High
2:00 PM 6.2
High
3:00 PM 4.2
Moderate
4:00 PM 2.6
Moderate
5:00 PM 1.3
Low
6:00 PM 0.4
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 10, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.1
Low
8:00 AM 0.4
Low
9:00 AM 0.8
Low
10:00 AM 1.7
Low
11:00 AM 3.1
Moderate
12:00 PM 4.3
Moderate
1:00 PM 6.5
High
2:00 PM 6.5
High
3:00 PM 4.7
Moderate
4:00 PM 3
Moderate
5:00 PM 1.4
Low
6:00 PM 0.4
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
Data Source: National Oceanic and Atmospheric Administration (NOAA)