Yes
you do need a jacket based on the weather in 113 University Square Dr, Princeton, NJ 08540, USA 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
40°F4°C & Clear
Wind is 7 mph12 km/h from the West, gusting to 14 mph23 km/h
| March 3 | ||||
| 5pm | 39°F4°C | 6 mph10 km/h West | Clear | |
| 6pm | 35°F2°C | 4 mph6 km/h Southwest | Clear | |
| 7pm | 33°F1°C | 4 mph6 km/h Southwest | Clear | |
| 8pm | 32°F-0°C | 4 mph7 km/h Southwest | Clear | |
| 9pm | 30°F-1°C | 5 mph7 km/h Southwest | Clear | |
| 10pm | 29°F-2°C | 5 mph9 km/h Southwest | Clear | |
| 11pm | 28°F-2°C | 5 mph9 km/h Southwest | Clear | |
| March 4 | ||||
| 12am | 27°F-3°C | 6 mph9 km/h Southwest | Clear | |
| 1am | 27°F-3°C | 6 mph9 km/h Southwest | Clear | |
| 2am | 26°F-3°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 3am | 26°F-3°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 4am | 27°F-3°C | 5 mph7 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 3 | 17°F-9°C | 40°F5°C | 4 mph6 km/h from West | Mostly Clear | Mostly Clear |
| March 4 | 26°F-3°C | 56°F13°C | 9 mph15 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| March 5 | 42°F6°C | 58°F14°C | 17 mph27 km/h from South | Rain | Rain |
| March 6 | 32°F0°C | 54°F12°C | 14 mph23 km/h from West | Mostly Cloudy | Windy |
| March 7 | 30°F-1°C | 46°F8°C | 14 mph23 km/h from West | Mostly Clear | Partly Cloudy |
| March 8 | 33°F0°C | 46°F8°C | 9 mph14 km/h from West | Partly Cloudy | Partly Cloudy |
| March 9 | 28°F-2°C | 40°F4°C | 9 mph15 km/h from North | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 26°F-4°C, High of 56°F14°CWind: 9 mph15 km/h
Precipitation: None