UV Index for Twilight, PA

Current Twilight UV Index

0.3 (Low)

Last Updated 26 minutes ago

Hourly Twilight UV Index

The hourly Twilight, PA UV Index forecast for Tuesday, July 1st, 2025.

5 Day Hourly Twilight UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Twilight, PA has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Twilight over the next five days will be 9.7 on Wednesday, July 2nd at 1:00 pm.

The UV index forecast for Tuesday, July 1st in Twilight, PA is below.

Time UV Index Risk
8am 1
Low
9am 2.1
Low
10am 2.9
Low
11am 1.5
Low
12pm 2.4
Low
1pm 0.8
Low
2pm 1.3
Low
3pm 5.8
Moderate
4pm 4.8
Moderate
5pm 2.9
Low
6pm 1.8
Low
7pm 0.7
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 2nd in Twilight, PA 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 0.3
Low
8am 1
Low
9am 2.4
Low
10am 4.5
Moderate
11am 6.8
High
12pm 8.7
Very High
1pm 9.7
Very High
2pm 9.5
Very High
3pm 8.1
Very High
4pm 5.9
Moderate
5pm 3.6
Moderate
6pm 1.8
Low
7pm 0.6
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 3rd in Twilight, PA 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 0.3
Low
8am 1
Low
9am 2.4
Low
10am 4
Moderate
11am 3.2
Moderate
12pm 7.8
High
1pm 9.2
Very High
2pm 9.2
Very High
3pm 8.2
Very High
4pm 6.1
High
5pm 2
Low
6pm 1
Low
7pm 0.6
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 4th in Twilight, PA 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 0.3
Low
8am 1
Low