UV Index for Upper St. Clair, PA

Current Upper St. Clair UV Index

2.9 (Low)

Last Updated 18 minutes ago

Hourly Upper St. Clair UV Index

The hourly Upper St. Clair, PA UV Index forecast for Wednesday, June 18th, 2025.

5 Day Hourly Upper St. Clair UV Index Forecast

Last Updated 20 hours ago

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

The UV index forecast for Wednesday, June 18th in Upper St. Clair, PA is below.

Time UV Index Risk
11am 3.4
Moderate
12pm 5.4
Moderate
1pm 10.3
Very High
2pm 9.2
Very High
3pm 5.4
Moderate
4pm 6.5
High
5pm 3.8
Moderate
6pm 1.4
Low
7pm 0.7
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, June 19th in Upper St. Clair, 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 0.9
Low
9am 1.6
Low
10am 2
Low
11am 4.3
Moderate
12pm 2
Low
1pm 7.7
High
2pm 2.1
Low
3pm 2.3
Low
4pm 2.3
Low
5pm 2.7
Low
6pm 1.8
Low
7pm 0.8
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, June 20th in Upper St. Clair, 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 2.3
Low
10am 4.2
Moderate
11am 6.4
High
12pm 8.5
Very High
1pm 9.5
Very High
2pm 9.4
Very High
3pm 7.1
High
4pm 6
High
5pm 3.8
Moderate
6pm 1.9
Low
7pm 0.7
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, June 21st in Upper St. Clair, 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