UV Index Today in Philadelphia, Pennsylvania (PA)

Friday, August 7, 2026 -3:36 PM EDT (GMT-4)

The UV Index in Philadelphia, Pennsylvania (PA) right now is 6.5. This reading was last updated at 3:00 PM EDT, about 36 minutes ago. The UV Index at4:00 PM EDT, in about 23 minutes from now, is expected to be 4.4.

The maximum UV Index today in Philadelphia was 8.7 at 1:00 PM EDT,2 hours and 36 minutes ago. The maximum UV Index tomorrow is expected to be 8.2 at 1:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 7
8.7
1:00 PM EDT
Very High

Tomorrow

August 8
8.2
1:00 PM EDT
Very High

UV Index Today Hourly

August 7

The sun will be strongest in Philadelphia, Pennsylvania (PA) around 1:00 PM EDT today, with a UV Index of 8.7 (Very High risk).

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMEastern Daylight Time (EDT, GMT-4)Now: 3:36 PM00.212.44.36.48.18.78.16.54.42.410.30
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 8

Sun exposure in Philadelphia, Pennsylvania (PA) reaches Very High risk levels tomorrow, with a peak UV Index of 8.2 at 1:00 PM EDT.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMEastern Daylight Time (EDT, GMT-4)00.20.92.24.16.27.78.27.35.93.92.10.90.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 6, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.3
Low
8:00 AM1
Low
9:00 AM2.5
Moderate
10:00 AM4.6
Moderate
11:00 AM6.8
High
12:00 PM8.4
Very High
1:00 PM9
Very High
2:00 PM8.4
Very High
3:00 PM6.7
High
4:00 PM4.5
Moderate
5:00 PM2.3
Low
6:00 PM0.9
Low
7:00 PM0.3
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 7, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM1
Low
9:00 AM2.4
Low
10:00 AM4.3
Moderate
11:00 AM6.4
High
12:00 PM8.1
Very High
1:00 PM8.7
Very High
2:00 PM8.1
Very High
3:00 PM6.5
High
4:00 PM4.4
Moderate
5:00 PM2.4
Low
6:00 PM1
Low
7:00 PM0.3
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 8, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.9
Low
9:00 AM2.2
Low
10:00 AM4.1
Moderate
11:00 AM6.2
High
12:00 PM7.7
Very High
1:00 PM8.2
Very High
2:00 PM7.3
High
3:00 PM5.9
High
4:00 PM3.9
Moderate
5:00 PM2.1
Low
6:00 PM0.9
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 9, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.8
Low
9:00 AM2.2
Low
10:00 AM4.1
Moderate
11:00 AM6
High
12:00 PM7.8
Very High
1:00 PM8.4
Very High
2:00 PM7.9
Very High
3:00 PM6.3
High
4:00 PM4.3
Moderate
5:00 PM2.3
Low
6:00 PM0.8
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 10, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.2
Low
8:00 AM0.6
Low
9:00 AM1.8
Low
10:00 AM3.5
Moderate
11:00 AM5.2
Moderate
12:00 PM6.7
High
1:00 PM7.1
High
2:00 PM6.5
High
3:00 PM5
Moderate
4:00 PM3.6
Moderate
5:00 PM1.8
Low
6:00 PM0.8
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
Data Source: National Oceanic and Atmospheric Administration (NOAA)