6.6 (High)
Last Updated 17 minutes ago
The hourly Dayton, OH UV Index forecast for Monday, September 15th, 2025.
Last Updated 16 minutes ago
The UV index forecast for the next five days in Dayton, OH has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Dayton over the next five days will be 6.6 on Monday, September 15th at 2:00 pm.
The UV index forecast for Monday, September 15th in Dayton, OH is below.
| Time | UV Index | Risk |
|---|---|---|
| 3pm | 5.7 |
Moderate |
| 4pm | 4.1 |
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 Tuesday, September 16th in Dayton, OH 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 | 0.6 |
Low |
| 10am | 1.8 |
Low |
| 11am | 3.4 |
Moderate |
| 12pm | 5.1 |
Moderate |
| 1pm | 6.3 |
High |
| 2pm | 6.4 |
High |
| 3pm | 5.5 |
Moderate |
| 4pm | 3.9 |
Moderate |
| 5pm | 2.2 |
Low |
| 6pm | 0.8 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, September 17th in Dayton, OH 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 |
Low |
| 9am | 0.6 |
Low |
| 10am | 1.8 |
Low |
| 11am | 3.5 |
Moderate |
| 12pm | 5.3 |
Moderate |
| 1pm | 6.5 |
High |
| 2pm | 6.6 |
High |
| 3pm | 5.7 |
Moderate |
| 4pm | 4 |
Moderate |
| 5pm | 2.2 |
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, September 18th in Dayton, OH 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 |
Low |
| 9am | 0.6 |
Low |
| 10am | 1.8 |
Low |
| 11am | 3.4 |
Moderate |
| 12pm | 5.2 |
Moderate |
| 1pm | 6.4 |
High |
| 2pm | 6.5 |
High |
| 3pm | 5.6 |
Moderate |
| 4pm | 4 |
Moderate |
| 5pm | 2.2 |
Low |
| 6pm | 0.8 |
Low |
| 7pm | 0.2 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Dayton, OH 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 |
Low |