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Last Updated 47 minutes ago
The hourly Mount Gretna Heights, PA UV Index forecast for Saturday, December 27th, 2025.
Last Updated 1 day ago
The UV index forecast for the next five days in Mount Gretna Heights, PA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Mount Gretna Heights over the next five days will be 2 on Sunday, December 28th at 12:00 pm.
The UV index forecast for Saturday, December 27th in Mount Gretna Heights, PA is below.
| Time | UV Index | Risk |
|---|---|---|
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |
| 5am | 0 |
Low |
| 6am | 0 |
Low |
| 7am | 0 |
Low |
| 8am | 0 |
Low |
| 9am | 0.1 |
Low |
| 10am | 0.2 |
Low |
| 11am | 0.4 |
Low |
| 12pm | 0.6 |
Low |
| 1pm | 0.7 |
Low |
| 2pm | 0.6 |
Low |
| 3pm | 0.3 |
Low |
| 4pm | 0.1 |
Low |
| 5pm | 0 |
Low |
| 6pm | 0 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Sunday, December 28th in Mount Gretna Heights, 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 | 0.5 |
Low |
| 10am | 1.1 |
Low |
| 11am | 1.7 |
Low |
| 12pm | 2 |
Low |
| 1pm | 1.8 |
Low |
| 2pm | 1.1 |
Low |
| 3pm | 0.4 |
Low |
| 4pm | 0.1 |
Low |
| 5pm | 0 |
Low |
| 6pm | 0 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Monday, December 29th in Mount Gretna Heights, 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 |