No
you don't need a jacket based on the weather in Norristown, PA 19401, USA 1 second ago
82°F28°C & Mostly Clear
Wind is 9 mph15 km/h from the West, gusting to 19 mph30 km/h
| August 25 | ||||
| 1pm | 82°F28°C | 10 mph16 km/h West | Clear | |
| 2pm | 82°F28°C | 10 mph17 km/h West | Mostly Clear | |
| 3pm | 82°F28°C | 12 mph19 km/h West | Mostly Clear | |
| 4pm | 82°F28°C | 12 mph19 km/h West | Mostly Clear | |
| 5pm | 80°F27°C | 11 mph18 km/h West | Mostly Cloudy | |
| 6pm | 79°F26°C | 9 mph15 km/h West | Mostly Clear | |
| 7pm | 77°F25°C | 8 mph14 km/h West | Clear | |
| 8pm | 74°F23°C | 7 mph11 km/h West | Clear | |
| 9pm | 71°F21°C | 6 mph9 km/h West | Clear | |
| 10pm | 68°F20°C | 6 mph10 km/h West | Clear | |
| 11pm | 67°F19°C | 6 mph10 km/h Northwest | Clear | |
| August 26 | ||||
| 12am | 65°F18°C | 6 mph9 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 25 | 65°F18°C | 82°F28°C | 7 mph12 km/h from West | Mostly Clear | Clear |
| August 26 | 58°F15°C | 77°F25°C | 6 mph10 km/h from West | Mostly Clear | Mostly Clear |
| August 27 | 56°F14°C | 75°F24°C | 8 mph13 km/h from Northwest | Mostly Clear | Partly Cloudy |
| August 28 | 56°F13°C | 77°F25°C | 6 mph10 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| August 29 | 61°F16°C | 77°F25°C | 6 mph10 km/h from West | Partly Cloudy | Clear |
| August 30 | 56°F13°C | 74°F23°C | 6 mph9 km/h from North | Mostly Clear | Partly Cloudy |
| August 31 | 56°F14°C | 76°F24°C | 4 mph6 km/h from North | Partly Cloudy | Mostly Clear |
Yes
Low of 58°F15°C, High of 77°F25°CWind: 6 mph10 km/h
Precipitation: None