University of California-Santa Barbara, 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 University of California-Santa Barbara, Santa Barbara 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
3:03 PM PST

1.1Risk: Low

(Updated 3 minutes ago.)

As of 3:03 PM PST, the UV Index in University of California-Santa Barbara, CA is 1.1 (Low).
The UV Index is expected to fall to 0.3 (still Low) between 4:00 PM - 5:00 PM PST today.

Hourly UV Index Forecast for Today
Wednesday, November 19, 2025

5 AM8 AM11 AM2 PM5 PM8 PM11 PMPacific Standard Time (PST)0123456789101112Current Time: 3:03 PM, PST

UV Index Data sourced from the NOAA.


As of 3:03 PM PST today in University of California-Santa Barbara, CA, the UV Index is currently at a low level of 1.1. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 0.3 at 4:00 PM. As the day transitions into the night, the UV Index will drop back down to 0 at 5:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in University of California-Santa Barbara, CA

Today

Time RangeUV IndexRisk
5:00 AM - 11:00 AM (PST)0 - 2.3
Low
11:00 AM - 2:00 PM3.2 - 3.6
Moderate
2:00 PM - 12:00 AM0 - 2.3
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 12:00 AM (PST)0 - 0.7
Low

Detailed Hourly University of California-Santa Barbara UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
3:00 PM - 4:00 PM (Now, PST)1.1
Low
4:00 PM - 5:00 PM 0.3
Low
5:00 PM - 6:00 PM 0
Low
6:00 PM - 7:00 PM 0
Low
7:00 PM - 8:00 PM 0
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