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Last Updated 7 minutes ago
The hourly Potomac, IL UV Index forecast for Wednesday, September 17th, 2025.
Last Updated 16 hours ago
The UV index forecast for the next five days in Potomac, IL has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Potomac over the next five days will be 6.5 on Wednesday, September 17th at 1:00 pm.
The UV index forecast for Wednesday, September 17th in Potomac, IL is below.
Time | UV Index | Risk |
---|---|---|
6am | 0 |
Low |
7am | 0 |
Low |
8am | 0.4 |
Low |
9am | 1.4 |
Low |
10am | 3 |
Moderate |
11am | 4.7 |
Moderate |
12pm | 6 |
High |
1pm | 6.5 |
High |
2pm | 5.8 |
Moderate |
3pm | 4.3 |
Moderate |
4pm | 2.6 |
Low |
5pm | 1.1 |
Low |
6pm | 0.3 |
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 Potomac, IL 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 | 0.4 |
Low |
9am | 1.4 |
Low |
10am | 3 |
Moderate |
11am | 4.7 |
Moderate |
12pm | 6 |
High |
1pm | 6.4 |
High |
2pm | 5.8 |
Moderate |
3pm | 4.2 |
Moderate |
4pm | 2.5 |
Low |
5pm | 1.1 |
Low |
6pm | 0.3 |
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 Potomac, IL 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 | 0.4 |
Low |
9am | 1.2 |
Low |
10am | 2.5 |
Low |
11am | 4.3 |
Moderate |
12pm | 5.6 |
Moderate |
1pm | 5.9 |
Moderate |
2pm | 5.2 |
Moderate |
3pm | 3.6 |
Moderate |
4pm | 2.1 |
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 Saturday, September 20th in Potomac, IL 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 |