Yes
you do need a jacket based on the weather in Princeton, NJ, USA 1 second ago
Why? Because it's not very warm out.
52°F11°C & Mostly Cloudy
Wind is 5 mph8 km/h from the SE, gusting to 12 mph19 km/h
| April 19 | ||||
| 10pm | 50°F10°C | 5 mph8 km/h SE | Mostly Cloudy | |
| 11pm | 50°F10°C | 5 mph8 km/h SE | Cloudy | |
| April 20 | ||||
| 12am | 50°F10°C | 4 mph6 km/h S | Cloudy | |
| 1am | 49°F10°C | 4 mph6 km/h S | Cloudy | |
| 2am | 49°F9°C | 3 mph5 km/h S | Cloudy | |
| 3am | 49°F9°C | 3 mph4 km/h S | Cloudy | |
| 4am | 49°F9°C | 3 mph5 km/h S | Cloudy | |
| 5am | 48°F9°C | 3 mph5 km/h SW | Rain | |
| 6am | 49°F9°C | 4 mph6 km/h SW | Drizzle | |
| 7am | 50°F10°C | 3 mph6 km/h SW | Drizzle | |
| 8am | 50°F10°C | 4 mph7 km/h W | Drizzle | |
| 9am | 52°F11°C | 4 mph7 km/h W | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 42°F6°C | 58°F15°C | 3 mph4 km/h from SE | Mostly Cloudy | Rain |
| April 20 | 45°F7°C | 66°F19°C | 8 mph12 km/h from W | Drizzle | Mostly Clear |
| April 21 | 37°F3°C | 55°F13°C | 7 mph12 km/h from W | Mostly Cloudy | Partly Cloudy |
| April 22 | 38°F3°C | 60°F16°C | 8 mph13 km/h from NW | Mostly Clear | Clear |
| April 23 | 35°F2°C | 65°F18°C | 8 mph13 km/h from S | Partly Cloudy | Mostly Cloudy |
| April 24 | 44°F7°C | 61°F16°C | 12 mph19 km/h from W | Rain | Mostly Clear |
| April 25 | 39°F4°C | 60°F16°C | 8 mph13 km/h from W | Partly Cloudy | Partly Cloudy |
Yes
Low of 45°F7°C, High of 66°F19°CWind: 8 mph12 km/h
Precipitation: 48% rain