No
you don't need a jacket based on the weather in Norristown, PA 19401, USA 1 second ago
66°F19°C & Cloudy
Wind is 2 mph4 km/h from the Southwest, gusting to 6 mph10 km/h
| May 7 | ||||
| 9pm | 65°F19°C | 3 mph5 km/h Southwest | Cloudy | |
| 10pm | 63°F17°C | 3 mph5 km/h Southwest | Cloudy | |
| 11pm | 62°F16°C | 3 mph5 km/h West | Cloudy | |
| May 8 | ||||
| 12am | 60°F16°C | 3 mph4 km/h West | Cloudy | |
| 1am | 59°F15°C | 3 mph5 km/h West | Cloudy | |
| 2am | 58°F15°C | 3 mph5 km/h West | Cloudy | |
| 3am | 57°F14°C | 3 mph5 km/h Northwest | Cloudy | |
| 4am | 57°F14°C | 2 mph4 km/h West | Mostly Cloudy | |
| 5am | 57°F14°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 6am | 57°F14°C | 2 mph4 km/h Northwest | Partly Cloudy | |
| 7am | 58°F15°C | 2 mph4 km/h Northwest | Partly Cloudy | |
| 8am | 62°F16°C | 2 mph3 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 7 | 57°F14°C | 74°F23°C | 3 mph5 km/h from West | Mostly Clear | Mostly Cloudy |
| May 8 | 57°F14°C | 77°F25°C | 3 mph5 km/h from West | Drizzle | Rain |
| May 9 | 52°F11°C | 64°F18°C | 7 mph11 km/h from North | Rain | Drizzle |
| May 10 | 48°F9°C | 71°F22°C | 10 mph17 km/h from Northwest | Mostly Clear | Partly Cloudy |
| May 11 | 51°F11°C | 74°F23°C | 5 mph8 km/h from North | Mostly Clear | Mostly Clear |
| May 12 | 53°F11°C | 74°F24°C | 5 mph9 km/h from South | Partly Cloudy | Cloudy |
| May 13 | 55°F13°C | 68°F20°C | 7 mph11 km/h from Southeast | Drizzle | Rain |
Yes
Low of 56°F14°C, High of 77°F25°CWind: 3 mph5 km/h
Precipitation: 31% rain