Jefferson Valley-Yorktown, 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 Jefferson Valley-Yorktown, 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
5:35 PM EDT

1.1Risk: Low

(Updated 35 minutes ago.)

As of 5:35 PM EDT, the UV Index in Jefferson Valley-Yorktown, NY is 1.1 (Low).
The UV Index is expected to fall to 0.4 (still Low) between 6:00 PM - 7:00 PM EDT today.

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

9 AM12 PM3 PM6 PM9 PMEastern Daylight Time (EDT)0123456789101112Current Time: 5:35 PM, EDT

UV Index Data sourced from the NOAA.


As of 5:35 PM EDT today in Jefferson Valley-Yorktown, NY, the UV Index is currently at a low level of 1.1. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 0.4 at 6:00 PM. 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 Jefferson Valley-Yorktown, NY

Today

Time RangeUV IndexRisk
9:00 AM - 10:00 AM (EDT)1.3
Low
10:00 AM - 4:00 PM2.6 - 5.3
Moderate
4:00 PM - 12:00 AM0 - 2.3
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (EDT)0 - 1.4
Low
10:00 AM - 12:00 PM2.8 - 4.3
Moderate
12:00 PM - 1:00 PM5.5
High
1:00 PM - 3:00 PM4.4 - 5.1
Moderate
3:00 PM - 12:00 AM0 - 1.5
Low

Detailed Hourly Jefferson Valley-Yorktown UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
5:00 PM - 6:00 PM (Now, EDT)1.1
Low
6:00 PM - 7:00 PM 0.4
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