UV Index for Philadelphia, PA

Current Philadelphia UV Index

0 (Low)

Last Updated 53 minutes ago

Hourly Philadelphia UV Index

The hourly Philadelphia, PA UV Index forecast for Tuesday, June 17th, 2025.

5 Day Hourly Philadelphia UV Index Forecast

Last Updated 10 hours ago

The UV index forecast for the next five days in Philadelphia, PA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Philadelphia over the next five days will be 10.3 on Wednesday, June 18th at 1:00 pm.

The UV index forecast for Tuesday, June 17th in Philadelphia, PA 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 0.4
Low
8am 0.4
Low
9am 1.6
Low
10am 3.7
Moderate
11am 4.2
Moderate
12pm 1.9
Low
1pm 1
Low
2pm 0.8
Low
3pm 6.5
High
4pm 4.4
Moderate
5pm 1.9
Low
6pm 0.4
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, June 18th in Philadelphia, 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 0.4
Low
8am 1.4
Low
9am 3.2
Moderate
10am 5.6
Moderate
11am 7.9
High
12pm 9.6
Very High
1pm 10.3
Very High
2pm 8.8
Very High
3pm 4.6
Moderate
4pm 3.8
Moderate
5pm 2.9
Low
6pm 1.5
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, June 19th in Philadelphia, 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 0.4
Low
8am 1.4
Low
9am 2.8
Low
10am 5.1
Moderate
11am 7.2
High
12pm 8.8
Very High
1pm 10.2
Very High
2pm 9.6
Very High
3pm 7.9
High
4pm 5.6
Moderate
5pm 3.3
Moderate
6pm 0.6
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, June 20th in Philadelphia, 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 0.4
Low
8am 1.4
Low
View Historical UV Index Data