Hayden, CO: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Hayden, Routt County, Colorado (CO). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
2:33 PM MDT

4.4Risk: Moderate

(Updated 33 minutes ago.)

As of 2:33 PM MDT, the UV Index in Hayden, CO is 4.4 (Moderate).
The UV Index is expected to rise to 4.7 (still Moderate) between 3:00 PM - 4:00 PM MDT today.

Hourly UV Index Forecast for Today
Monday, April 28, 2025

7 AM10 AM1 PM4 PM7 PM10 PMMountain Daylight Time (MDT)0123456789101112Current Time: 2:33 PM, MDT

UV Index Data sourced from the NOAA.


As of 2:33 PM MDT today in Hayden, CO, the UV Index is currently at a moderate level of 4.4. 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 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 Hayden, CO

Today

Time RangeUV IndexRisk
7:00 AM - 10:00 AM (MDT)0.1 - 1.7
Low
10:00 AM - 12:00 PM3.3 - 5
Moderate
12:00 PM - 2:00 PM6.2 - 6.4
High
2:00 PM - 5:00 PM2.6 - 4.7
Moderate
5:00 PM - 12:00 AM0 - 1.7
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (MDT)0 - 1.9
Low
10:00 AM - 11:00 AM3.6
Moderate
11:00 AM - 1:00 PM5.5 - 7
High
1:00 PM - 2:00 PM7.6
Very High
2:00 PM - 4:00 PM5.5 - 7.3
High
4:00 PM - 5:00 PM4
Moderate
5:00 PM - 12:00 AM0 - 2.2
Low

Detailed Hourly Hayden UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, MDT)4.4
Moderate
3:00 PM - 4:00 PM 4.7
Moderate
4:00 PM - 5:00 PM 2.6
Moderate
5:00 PM - 6:00 PM 1.7
Low
6:00 PM - 7:00 PM 0.9
Low
7:00 PM - 8:00 PM 0.3
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