0.8 (Low)
Last Updated 44 minutes ago
The hourly Swarthmore, PA UV Index forecast for Tuesday, September 16th, 2025.
Last Updated 19 hours ago
The UV index forecast for the next five days in Swarthmore, PA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Swarthmore over the next five days will be 5.8 on Thursday, September 18th at 1:00 pm.
The UV index forecast for Tuesday, September 16th in Swarthmore, PA is below.
Time | UV Index | Risk |
---|---|---|
10am | 1.4 |
Low |
11am | 1.8 |
Low |
12pm | 2.1 |
Low |
1pm | 1.2 |
Low |
2pm | 1.1 |
Low |
3pm | 1.4 |
Low |
4pm | 0.4 |
Low |
5pm | 0.3 |
Low |
6pm | 0.2 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Wednesday, September 17th in Swarthmore, 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 |
Low |
8am | 0.1 |
Low |
9am | 0.3 |
Low |
10am | 0.4 |
Low |
11am | 0.6 |
Low |
12pm | 1.2 |
Low |
1pm | 0.8 |
Low |
2pm | 0.6 |
Low |
3pm | 0.8 |
Low |
4pm | 0.6 |
Low |
5pm | 0.3 |
Low |
6pm | 0.1 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Thursday, September 18th in Swarthmore, 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 |
Low |
8am | 0.2 |
Low |
9am | 0.7 |
Low |
10am | 1.7 |
Low |
11am | 3.5 |
Moderate |
12pm | 5.6 |
Moderate |
1pm | 5.8 |
Moderate |
2pm | 5.4 |
Moderate |
3pm | 4.4 |
Moderate |
4pm | 2.6 |
Low |
5pm | 0.8 |
Low |
6pm | 0.2 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Swarthmore, 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 |
Low |
8am | 0.3 |
Low |