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
2:15 PM EDT

8.7Risk: Very High

(Updated 15 minutes ago.)

As of 2:15 PM EDT, the UV Index in Croton-on-Hudson, NY is 8.7 (Very High).
The UV Index is expected to fall to 7.3 (High) between 3:00 PM - 4:00 PM EDT today.

Hourly UV Index Forecast for Today
Monday, June 23, 2025

12 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PMEastern Daylight Time (EDT)0123456789101112Current Time: 2:15 PM, EDT

UV Index Data sourced from the NOAA.


As of 2:15 PM EDT today in Croton-on-Hudson, NY, the UV Index is currently at a very high level of 8.7. 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 6:00 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 Croton-on-Hudson, NY

Today

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (EDT)0 - 1.5
Low
9:00 AM - 11:00 AM3.1 - 5.3
Moderate
11:00 AM - 12:00 PM7.3
High
12:00 PM - 3:00 PM8.7 - 9.4
Very High
3:00 PM - 4:00 PM7.3
High
4:00 PM - 6:00 PM2.9 - 5
Moderate
6:00 PM - 12:00 AM0 - 1.4
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (EDT)0 - 1.6
Low
9:00 AM - 10:00 AM3.4
Moderate
10:00 AM - 11:00 AM5.6
High
11:00 AM - 4:00 PM7.6 - 10.2
Very High
4:00 PM - 6:00 PM3.1 - 5.3
Moderate
6:00 PM - 12:00 AM0 - 1.4
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)8.7
Very High
3:00 PM - 4:00 PM 7.3
High
4:00 PM - 5:00 PM 5
Moderate
5:00 PM - 6:00 PM 2.9
Moderate
6:00 PM - 7:00 PM 1.4
Low
7:00 PM - 8:00 PM 0.5
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

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