UV Index for Portville, NY

Current Portville UV Index

0 (Low)

Last Updated 18 minutes ago

Hourly Portville UV Index

The hourly Portville, NY UV Index forecast for Wednesday, September 17th, 2025.

5 Day Hourly Portville UV Index Forecast

Last Updated 8 hours ago

The UV index forecast for the next five days in Portville, NY has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Portville over the next five days will be 6.1 on Friday, September 19th at 1:00 pm.

The UV index forecast for Wednesday, September 17th in Portville, NY is below.

Time UV Index Risk
11pm 0
Low

The UV index forecast for Thursday, September 18th in Portville, 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 0.9
Low
10am 2.2
Low
11am 3.8
Moderate
12pm 5.3
Moderate
1pm 6
High
2pm 5.7
Moderate
3pm 4.6
Moderate
4pm 3
Moderate
5pm 1.4
Low
6pm 0.5
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 19th in Portville, 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 0.1
Low
9am 0.6
Low
10am 1.3
Low
11am 2.5
Low
12pm 5
Moderate
1pm 6.1
High
2pm 5.8
Moderate
3pm 4.6
Moderate
4pm 3
Moderate
5pm 1.4
Low
6pm 0.5
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Portville, 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 0.9
Low
10am 2.2
Low
11am 3.9
Moderate
12pm 5.4
Moderate
1pm 6.1
High
2pm 5.8
Moderate
3pm 4.7
Moderate
4pm 3
Moderate
5pm 1.5
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in Portville, 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