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
3:32 PM EDT

2.5Risk: Moderate

(Updated 32 minutes ago.)

As of 3:32 PM EDT, the UV Index in Croton-on-Hudson, NY is 2.5 (Moderate).
The UV Index is expected to fall to 2.2 (Low) between 4:00 PM - 5:00 PM EDT today.

Hourly UV Index Forecast for Today
Thursday, May 21, 2026

9 AM12 PM3 PM6 PM9 PMEastern Daylight Time (EDT)0123456789101112Current Time: 3:32 PM, EDT

UV Index Data sourced from the NOAA.


As of 3:32 PM EDT today in Croton-on-Hudson, NY, the UV Index is currently at a moderate level of 2.5. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 2.2 at 4:00 PM. 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
9:00 AM - 1:00 PM (EDT)0.5 - 2.2
Low
1:00 PM - 4:00 PM2.5 - 4.8
Moderate
4:00 PM - 12:00 AM0 - 2.2
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 11:00 AM (EDT)0 - 2
Low
11:00 AM - 12:00 PM4.9
Moderate
12:00 PM - 1:00 PM2.4
Low
1:00 PM - 2:00 PM7.5
Very High
2:00 PM - 3:00 PM4.2
Moderate
3:00 PM - 4:00 PM6.2
High
4:00 PM - 5:00 PM4.2
Moderate
5:00 PM - 12:00 AM0 - 2.3
Low

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

Download CSV (Excel) ↓
TimeUV IndexRisk
3:00 PM - 4:00 PM (Now, EDT)2.5
Moderate
4:00 PM - 5:00 PM 2.2
Low
5:00 PM - 6:00 PM 1.5
Low
6:00 PM - 7:00 PM 0.5
Low
7:00 PM - 8:00 PM 0.2
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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