Yes
you do need a jacket based on the weather in Gibsonia, PA 15044, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
59°F15°C & Partly Cloudy
Wind is 4 mph6 km/h from the East, gusting to 6 mph10 km/h
| September 16 | ||||
| 6am | 58°F14°C | 4 mph6 km/h East | Mostly Cloudy | |
| 7am | 57°F14°C | 4 mph6 km/h East | Cloudy | |
| 8am | 60°F15°C | 3 mph6 km/h East | Cloudy | |
| 9am | 65°F18°C | 5 mph7 km/h East | Mostly Cloudy | |
| 10am | 70°F21°C | 5 mph8 km/h Southeast | Partly Cloudy | |
| 11am | 74°F23°C | 5 mph8 km/h Southeast | Partly Cloudy | |
| 12pm | 76°F25°C | 5 mph7 km/h Southeast | Partly Cloudy | |
| 1pm | 78°F25°C | 5 mph8 km/h East | Mostly Cloudy | |
| 2pm | 79°F26°C | 5 mph8 km/h East | Mostly Cloudy | |
| 3pm | 80°F27°C | 5 mph8 km/h East | Mostly Cloudy | |
| 4pm | 80°F26°C | 6 mph9 km/h East | Mostly Cloudy | |
| 5pm | 79°F26°C | 5 mph9 km/h East | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 57°F14°C | 80°F27°C | 5 mph7 km/h from East | Mostly Cloudy | Partly Cloudy |
| September 17 | 58°F14°C | 77°F25°C | 4 mph6 km/h from East | Partly Cloudy | Mostly Clear |
| September 18 | 55°F13°C | 81°F27°C | 4 mph6 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 59°F15°C | 78°F26°C | 5 mph8 km/h from North | Mostly Clear | Clear |
| September 20 | 55°F13°C | 79°F26°C | 5 mph9 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 59°F15°C | 81°F27°C | 7 mph11 km/h from South | Partly Cloudy | Mostly Clear |
| September 22 | 61°F16°C | 81°F27°C | 6 mph10 km/h from South | Mostly Clear | Mostly Clear |
Yes
Low of 58°F15°C, High of 77°F25°CWind: 4 mph6 km/h
Precipitation: None