No
you don't need a jacket based on the weather in Steelton, PA, USA 14 minutes ago
62°F17°C & Mostly Clear
Wind is 3 mph5 km/h from the Northeast, gusting to 5 mph8 km/h
| September 15 | ||||
| 4am | 61°F16°C | 3 mph5 km/h Northeast | Mostly Clear | |
| 5am | 61°F16°C | 2 mph3 km/h Northeast | Partly Cloudy | |
| 6am | 60°F16°C | 3 mph5 km/h North | Partly Cloudy | |
| 7am | 60°F16°C | 3 mph4 km/h North | Partly Cloudy | |
| 8am | 62°F17°C | 2 mph3 km/h Northeast | Partly Cloudy | |
| 9am | 67°F20°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 10am | 71°F22°C | 4 mph7 km/h Northeast | Mostly Cloudy | |
| 11am | 75°F24°C | 4 mph7 km/h East | Partly Cloudy | |
| 12pm | 78°F25°C | 5 mph7 km/h East | Mostly Cloudy | |
| 1pm | 79°F26°C | 5 mph9 km/h East | Mostly Cloudy | |
| 2pm | 80°F27°C | 6 mph10 km/h East | Mostly Cloudy | |
| 3pm | 81°F27°C | 7 mph11 km/h East | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 60°F15°C | 81°F27°C | 5 mph8 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 16 | 58°F15°C | 76°F24°C | 7 mph12 km/h from Northeast | Mostly Cloudy | Cloudy |
| September 17 | 61°F16°C | 71°F21°C | 5 mph8 km/h from Northeast | Drizzle | Mostly Cloudy |
| September 18 | 61°F16°C | 80°F27°C | 4 mph6 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 61°F16°C | 82°F28°C | 5 mph7 km/h from Northwest | Mostly Clear | Clear |
| September 20 | 57°F14°C | 75°F24°C | 5 mph8 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 58°F15°C | 74°F24°C | 6 mph10 km/h from Southeast | Mostly Cloudy | Mostly Clear |
Yes
Low of 58°F15°C, High of 76°F25°CWind: 7 mph12 km/h
Precipitation: 15% rain