Winterhaven, 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 Winterhaven, Imperial 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
1:23 PM MST

6.4Risk: High

(Updated 23 minutes ago.)

As of 1:23 PM MST, the UV Index in Winterhaven, CA is 6.4 (High).
The UV Index is expected to fall to 5.9 (still High) between 2:00 PM - 3:00 PM MST today.

Hourly UV Index Forecast for Today
Tuesday, April 1, 2025

6 AM9 AM12 PM3 PM6 PM9 PMMountain Standard Time (MST)0123456789101112Current Time: 1:23 PM, MST

UV Index Data sourced from the NOAA.


As of 1:23 PM MST today in Winterhaven, CA, the UV Index is currently at a high level of 6.4. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 3:00 PM and then drop to low levels again from 4:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 7:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Winterhaven, CA

Today

Time RangeUV IndexRisk
6:00 AM - 10:00 AM (MST)0 - 2.1
Low
10:00 AM - 12:00 PM3.5 - 5.3
Moderate
12:00 PM - 3:00 PM5.9 - 6.6
High
3:00 PM - 4:00 PM4
Moderate
4:00 PM - 12:00 AM0 - 2.2
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (MST)0 - 1.9
Low
10:00 AM - 1:00 PM3.1 - 5.2
Moderate
1:00 PM - 3:00 PM5.7 - 6.1
High
3:00 PM - 4:00 PM4.1
Moderate
4:00 PM - 12:00 AM0 - 2.4
Low

Detailed Hourly Winterhaven UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
1:00 PM - 2:00 PM (Now, MST)6.4
High
2:00 PM - 3:00 PM 5.9
High
3:00 PM - 4:00 PM 4
Moderate
4:00 PM - 5:00 PM 2.2
Low
5:00 PM - 6:00 PM 1
Low
6:00 PM - 7:00 PM 0.2
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