UV Index for Philadelphia, PA

Current Philadelphia UV Index

0 (Low)

Last Updated 4 minutes ago

Hourly Philadelphia UV Index

The hourly Philadelphia, PA UV Index forecast for Tuesday, April 29th, 2025.

5 Day Hourly Philadelphia UV Index Forecast

Last Updated 9 hours ago

The UV index forecast for the next five days in Philadelphia, PA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Philadelphia over the next five days will be 8.5 on Wednesday, April 30th at 1:00 pm.

The UV index forecast for Tuesday, April 29th in Philadelphia, PA is below.

Time UV Index Risk

The UV index forecast for Wednesday, April 30th 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 0.2
Low
8am 0.8
Low
9am 1.7
Low
10am 2.5
Low
11am 6
High
12pm 7.8
High
1pm 8.5
Very High
2pm 7.9
High
3pm 6.4
High
4pm 4.3
Moderate
5pm 2.3
Low
6pm 0.9
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, May 1st 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 0.2
Low
8am 0.6
Low
9am 1.2
Low
10am 1.8
Low
11am 3.3
Moderate
12pm 4.6
Moderate
1pm 2.9
Low
2pm 2.4
Low
3pm 6.4
High
4pm 2.5
Low
5pm 2.1
Low
6pm 0.9
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, May 2nd 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 0.1
Low
8am 0.6
Low
9am 1.8
Low
10am 3.3
Moderate
11am 5.5
Moderate
12pm 7.6
High
1pm 8.4
Very High
2pm 7.8
High
3pm 5.6
Moderate
4pm 1
Low
5pm 2.2
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, May 3rd 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 0.1
Low
8am 0.2
Low
View Historical UV Index Data