0 (Low)
Last Updated 43 minutes ago
The hourly Johnstown, PA UV Index forecast for Friday, October 3rd, 2025.
Last Updated 1 day ago
The UV index forecast for the next five days in Johnstown, PA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Johnstown over the next five days will be 5.8 on Saturday, October 4th at 1:00 pm.
The UV index forecast for Friday, October 3rd in Johnstown, PA is below.
| Time | UV Index | Risk |
|---|---|---|
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0 |
Low |
| 8am | 0 |
Low |
| 9am | 0.6 |
Low |
| 10am | 1.6 |
Low |
| 11am | 3 |
Moderate |
| 12pm | 4.4 |
Moderate |
| 1pm | 5 |
Moderate |
| 2pm | 5 |
Moderate |
| 3pm | 3.8 |
Moderate |
| 4pm | 2.6 |
Low |
| 5pm | 1.2 |
Low |
| 6pm | 0.4 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Saturday, October 4th in Johnstown, 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 |
Low |
| 9am | 0.7 |
Low |
| 10am | 1.8 |
Low |
| 11am | 3.5 |
Moderate |
| 12pm | 5 |
Moderate |
| 1pm | 5.8 |
Moderate |
| 2pm | 5.5 |
Moderate |
| 3pm | 4.3 |
Moderate |
| 4pm | 2.7 |
Low |
| 5pm | 1.2 |
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 Sunday, October 5th in Johnstown, 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 |
Low |