UV Index for Lancaster, NY

Current Lancaster UV Index

0 (Low)

Last Updated 55 minutes ago

Hourly Lancaster UV Index

The hourly Lancaster, NY UV Index forecast for Sunday, September 7th, 2025.

5 Day Hourly Lancaster UV Index Forecast

Last Updated 10 hours ago

The UV index forecast for the next five days in Lancaster, NY has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Lancaster over the next five days will be 6.1 on Monday, September 8th at 1:00 pm.

The UV index forecast for Sunday, September 7th in Lancaster, NY is below.

Time UV Index Risk
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.3
Low
9am 1.1
Low
10am 2.4
Low
11am 4
Moderate
12pm 4.7
Moderate
1pm 6
High
2pm 5.8
Moderate
3pm 4.6
Moderate
4pm 3.1
Moderate
5pm 1.6
Low
6pm 0.6
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 8th in Lancaster, NY is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.3
Low
9am 1.1
Low
10am 2.4
Low
11am 4
Moderate
12pm 5.4
Moderate
1pm 6.1
High
2pm 5.9
Moderate
3pm 4.8
Moderate
4pm 3.2
Moderate
5pm 1.7
Low
6pm 0.6
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, September 9th in Lancaster, NY is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.2
Low
9am 0.8
Low
10am 2
Low
11am 3.4
Moderate
12pm 5.2
Moderate
1pm 6
High
2pm 5.8
Moderate
3pm 4.7
Moderate
4pm 3.2
Moderate
5pm 1.7
Low
6pm 0.6
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, September 10th in Lancaster, NY is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.3
Low