UV Index Today in Riverside, California (CA)

Friday, August 7, 2026 -12:22 PM PDT (GMT-7)

The UV Index in Riverside, California (CA) right now is 9.8. This reading was last updated at 12:00 PM PDT, about 22 minutes ago. The UV Index at1:00 PM PDT, in about 37 minutes from now, is expected to be 10.4.

The maximum UV Index today in Riverside is expected to be 10.4 at 1:00 PM PDT,37 minutes from now. The maximum UV Index tomorrow is expected to be 10.5 at 1:00 PM PDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 7
10.4
1:00 PM PDT
Very High

Tomorrow

August 8
10.5
1:00 PM PDT
Extreme

UV Index Today Hourly

August 7

Data shows Riverside, California (CA)'s UV Index climbing to 10.4 today, peaking at1:00 PM PDT under Very High conditions.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMPacific Daylight Time (PDT, GMT-7)Now: 12:22 PM00.31.235.589.810.49.57.34.72.30.80.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 8

Based on the latest forecast, Riverside, California (CA) will see a peak UV Index of 10.5tomorrow around 1:00 PM PDT, which is classified as Extreme risk.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMPacific Daylight Time (PDT, GMT-7)00.31.235.68.19.910.59.47.34.62.30.80.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 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 AM0.3
Low
8:00 AM1.1
Low
9:00 AM2.9
Moderate
10:00 AM5.4
Moderate
11:00 AM7.8
Very High
12:00 PM9.6
Very High
1:00 PM10.1
Very High
2:00 PM9.2
Very High
3:00 PM7.1
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 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 AM1.2
Low
9:00 AM3
Moderate
10:00 AM5.5
High
11:00 AM8
Very High
12:00 PM9.8
Very High
1:00 PM10.4
Very High
2:00 PM9.5
Very High
3:00 PM7.3
High
4:00 PM4.7
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 AM1.2
Low
9:00 AM3
Moderate
10:00 AM5.6
High
11:00 AM8.1
Very High
12:00 PM9.9
Very High
1:00 PM10.5
Extreme
2:00 PM9.4
Very High
3:00 PM7.3
High
4:00 PM4.6
Moderate
5:00 PM2.3
Low
6:00 PM0.8
Low
7:00 PM0.1
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 AM0.3
Low
8:00 AM1.1
Low
9:00 AM2.8
Moderate
10:00 AM5.2
Moderate
11:00 AM7.6
Very High
12:00 PM9.3
Very High
1:00 PM9.3
Very High
2:00 PM8.2
Very High
3:00 PM6.2
High
4:00 PM4.2
Moderate
5:00 PM2.1
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 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 AM0.3
Low
8:00 AM1.1
Low
9:00 AM2.8
Moderate
10:00 AM5.2
Moderate
11:00 AM7.7
Very High
12:00 PM9.3
Very High
1:00 PM9.8
Very High
2:00 PM8.9
Very High
3:00 PM6.7
High
4:00 PM4.3
Moderate
5:00 PM2.1
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
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

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