Yes
you do need a jacket based on the weather in Norristown, PA, USA 4 minutes ago
Why? Because the cold's there, but it's just a reminder, not an invasion!
40°F5°C & Clear
Wind is 4 mph7 km/h from the Southeast, gusting to 7 mph12 km/h
| April 18 | ||||
| 7am | 41°F5°C | 5 mph7 km/h Southeast | Mostly Clear | |
| 8am | 45°F7°C | 4 mph6 km/h South | Clear | |
| 9am | 52°F11°C | 6 mph9 km/h South | Clear | |
| 10am | 58°F14°C | 8 mph13 km/h South | Clear | |
| 11am | 62°F17°C | 10 mph16 km/h South | Clear | |
| 12pm | 66°F19°C | 12 mph19 km/h South | Mostly Clear | |
| 1pm | 69°F20°C | 13 mph20 km/h South | Mostly Cloudy | |
| 2pm | 70°F21°C | 13 mph22 km/h South | Mostly Cloudy | |
| 3pm | 72°F22°C | 14 mph23 km/h South | Mostly Cloudy | |
| 4pm | 72°F22°C | 14 mph23 km/h South | Mostly Cloudy | |
| 5pm | 72°F22°C | 14 mph23 km/h South | Partly Cloudy | |
| 6pm | 70°F21°C | 13 mph21 km/h South | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 18 | 39°F4°C | 72°F22°C | 11 mph17 km/h from South | Partly Cloudy | Mostly Cloudy |
| April 19 | 61°F16°C | 81°F27°C | 13 mph21 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| April 20 | 56°F13°C | 69°F20°C | 9 mph14 km/h from North | Mostly Cloudy | Mostly Cloudy |
| April 21 | 51°F11°C | 65°F18°C | 9 mph14 km/h from Southeast | Cloudy | Drizzle |
| April 22 | 55°F13°C | 73°F23°C | 10 mph16 km/h from West | Partly Cloudy | Partly Cloudy |
| April 23 | 50°F10°C | 73°F23°C | 5 mph8 km/h from Southeast | Partly Cloudy | Clear |
| April 24 | 52°F11°C | 75°F24°C | 5 mph8 km/h from South | Mostly Clear | Mostly Clear |
No
Low of 61°F16°C, High of 81°F27°CWind: 13 mph21 km/h
Precipitation: None