Croton-on-Hudson, NY: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Croton-on-Hudson, Westchester County, New York (NY). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
2:58 PM EDT

5.7Risk: High

(Updated 58 minutes ago.)

As of 2:58 PM EDT, the UV Index in Croton-on-Hudson, NY is 5.7 (High).
The UV Index is expected to fall to 4.4 (Moderate) between 3:00 PM - 4:00 PM EDT today.

Hourly UV Index Forecast for Today
Saturday, September 19, 2026

12 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PMEastern Daylight Time (EDT)0123456789101112Current Time: 2:58 PM, EDT

UV Index Data sourced from the NOAA.


As of 2:58 PM EDT today in Croton-on-Hudson, NY, the UV Index is currently at a high level of 5.7. 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 7:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Croton-on-Hudson, NY

Today

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (EDT)0 - 1.3
Low
10:00 AM - 12:00 PM2.9 - 4.6
Moderate
12:00 PM - 3:00 PM5.7 - 6.4
High
3:00 PM - 5:00 PM2.6 - 4.4
Moderate
5:00 PM - 12:00 AM0 - 1.2
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 12:00 AM (EDT)0 - 0.4
Low

Detailed Hourly Croton-on-Hudson UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, EDT)5.7
High
3:00 PM - 4:00 PM 4.4
Moderate
4:00 PM - 5:00 PM 2.6
Moderate
5:00 PM - 6:00 PM 1.2
Low
6:00 PM - 7:00 PM 0.3
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