No
you don't need a jacket based on the weather in Norristown, PA, USA 1 second ago
60°F16°C & Cloudy
Wind is 4 mph7 km/h from the Northeast, gusting to 13 mph21 km/h
| September 16 | ||||
| 7am | 60°F16°C | 5 mph8 km/h Northeast | Cloudy | |
| 8am | 63°F17°C | 6 mph10 km/h Northeast | Cloudy | |
| 9am | 65°F19°C | 8 mph14 km/h Northeast | Cloudy | |
| 10am | 68°F20°C | 9 mph15 km/h Northeast | Cloudy | |
| 11am | 71°F22°C | 10 mph16 km/h Northeast | Cloudy | |
| 12pm | 73°F23°C | 11 mph18 km/h Northeast | Cloudy | |
| 1pm | 75°F24°C | 11 mph18 km/h East | Cloudy | |
| 2pm | 75°F24°C | 11 mph17 km/h East | Cloudy | |
| 3pm | 75°F24°C | 11 mph17 km/h East | Cloudy | |
| 4pm | 74°F24°C | 10 mph17 km/h East | Mostly Cloudy | |
| 5pm | 74°F23°C | 11 mph17 km/h East | Cloudy | |
| 6pm | 72°F22°C | 10 mph16 km/h East | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 60°F15°C | 75°F24°C | 10 mph16 km/h from Northeast | Cloudy | Drizzle |
| September 17 | 62°F17°C | 70°F21°C | 10 mph15 km/h from Northeast | Drizzle | Drizzle |
| September 18 | 63°F17°C | 78°F26°C | 4 mph7 km/h from Northwest | Thunderstorms | Mostly Clear |
| September 19 | 62°F17°C | 81°F27°C | 7 mph11 km/h from Northwest | Mostly Clear | Clear |
| September 20 | 55°F13°C | 75°F24°C | 6 mph10 km/h from East | Clear | Mostly Clear |
| September 21 | 56°F13°C | 76°F24°C | 5 mph8 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 22 | 60°F16°C | 79°F26°C | 4 mph7 km/h from South | Partly Cloudy | Partly Cloudy |
No
Low of 62°F17°C, High of 71°F22°CWind: 10 mph15 km/h
Precipitation: 67% rain