Arden-Arcade, CA: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Arden-Arcade, Sacramento County, California (CA). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
4:57 PM PDT

5.9Risk: High

(Updated 57 minutes ago.)

As of 4:57 PM PDT, the UV Index in Arden-Arcade, CA is 5.9 (High).
The UV Index is expected to fall sharply to 3 (Moderate) between 5:00 PM - 6:00 PM PDT today.

Hourly UV Index Forecast for Today
Monday, July 20, 2026

6 AM9 AM12 PM3 PM6 PM9 PMPacific Daylight Time (PDT)0123456789101112Current Time: 4:57 PM, PDT

UV Index Data sourced from the NOAA.


As of 4:57 PM PDT today in Arden-Arcade, CA, the UV Index is currently at a high level of 5.9. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 5:00 PM and then drop to low levels again from 6:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 8:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Arden-Arcade, CA

Today

Time RangeUV IndexRisk
6:00 AM - 9:00 AM (PDT)0 - 1.2
Low
9:00 AM - 11:00 AM2.6 - 3.2
Moderate
11:00 AM - 12:00 PM7.3
High
12:00 PM - 2:00 PM8.5 - 10.1
Very High
2:00 PM - 3:00 PM7.1
High
3:00 PM - 4:00 PM8.4
Very High
4:00 PM - 5:00 PM5.9
High
5:00 PM - 6:00 PM3
Moderate
6:00 PM - 12:00 AM0 - 1.2
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (PDT)0 - 1.2
Low
9:00 AM - 11:00 AM2.8 - 5.2
Moderate
11:00 AM - 4:00 PM7.6 - 10.4
Very High
4:00 PM - 5:00 PM5.8
High
5:00 PM - 6:00 PM3.3
Moderate
6:00 PM - 12:00 AM0 - 1.4
Low

Detailed Hourly Arden-Arcade UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
4:00 PM - 5:00 PM (Now, PDT)5.9
High
5:00 PM - 6:00 PM 3
Moderate
6:00 PM - 7:00 PM 1.2
Low
7:00 PM - 8:00 PM 0.1
Low
8:00 PM - 9:00 PM 0
Low
9:00 PM - 10:00 PM 0
Low
10:00 PM - 11:00 PM 0
Low
11:00 PM - 12:00 AM 0
Low

Current UV Index in Nearby Cities