Hilmar-Irwin, 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 Hilmar-Irwin, Merced 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
2:26 PM PDT

6.8Risk: High

(Updated 26 minutes ago.)

As of 2:26 PM PDT, the UV Index in Hilmar-Irwin, CA is 6.8 (High).
The UV Index is expected to fall to 5.5 (still High) between 3:00 PM - 4:00 PM PDT today.

Hourly UV Index Forecast for Today
Saturday, August 30, 2025

6 AM9 AM12 PM3 PM6 PM9 PMPacific Daylight Time (PDT)0123456789101112Current Time: 2:26 PM, PDT

UV Index Data sourced from the NOAA.


As of 2:26 PM PDT today in Hilmar-Irwin, CA, the UV Index is currently at a high level of 6.8. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 4:00 PM and then drop to low levels again from 5:00 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 Hilmar-Irwin, CA

Today

Time RangeUV IndexRisk
6:00 AM - 10:00 AM (PDT)0 - 1.4
Low
10:00 AM - 12:00 PM3 - 4.8
Moderate
12:00 PM - 4:00 PM5.5 - 7.3
High
4:00 PM - 5:00 PM3.5
Moderate
5:00 PM - 12:00 AM0 - 1.7
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (PDT)0 - 1.5
Low
10:00 AM - 12:00 PM3.2 - 5.1
Moderate
12:00 PM - 3:00 PM6.4 - 7.1
High
3:00 PM - 5:00 PM3.1 - 5.1
Moderate
5:00 PM - 12:00 AM0 - 1.6
Low

Detailed Hourly Hilmar-Irwin UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, PDT)6.8
High
3:00 PM - 4:00 PM 5.5
High
4:00 PM - 5:00 PM 3.5
Moderate
5:00 PM - 6:00 PM 1.7
Low
6:00 PM - 7:00 PM 0.4
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