Yes

you do need a jacket based on the weather in New Brunswick, NJ 08901, USA 1 second ago

Why? Because it's cool. Pleasantly cool, but cool.
51°F11°C & Cloudy

Wind is 6 mph10 km/h from the E, gusting to 11 mph18 km/h
April 25
12pm52°F11°C6 mph10 km/h EPartly Cloudy
1pm54°F12°C6 mph10 km/h EPartly Cloudy
2pm56°F13°C6 mph9 km/h EMostly Clear
3pm57°F14°C5 mph8 km/h EMostly Clear
4pm58°F14°C5 mph8 km/h SEMostly Clear
5pm57°F14°C5 mph8 km/h SEMostly Clear
6pm56°F13°C6 mph10 km/h SEMostly Clear
7pm53°F12°C7 mph11 km/h SEPartly Cloudy
8pm49°F10°C7 mph11 km/h SEMostly Cloudy
9pm46°F8°C6 mph10 km/h SEMostly Cloudy
10pm44°F7°C5 mph8 km/h SPartly Cloudy
11pm41°F5°C3 mph5 km/h SMostly Clear
DateLowHighWindDayNight
April 2540°F4°C58°F14°C6 mph9 km/h from EPartly CloudyMostly Clear
April 2634°F1°C63°F17°C6 mph10 km/h from SEClearClear
April 2736°F2°C65°F18°C7 mph12 km/h from SMostly CloudyCloudy
April 2846°F8°C79°F26°C6 mph10 km/h from SWPartly CloudyMostly Cloudy
April 2958°F15°C87°F31°C3 mph5 km/h from WPartly CloudyMostly Clear
April 3058°F14°C80°F27°C8 mph12 km/h from EPartly CloudyPartly Cloudy
May 154°F12°C81°F27°C6 mph9 km/h from WPartly CloudyMostly Clear

Yes

Low of 34°F1°C, High of 63°F17°C
Wind: 6 mph10 km/h
Precipitation: None

Support This Page