Yes

you do need a jacket based on the weather in New Haven, CT, USA 26 minutes ago

Why? Because this drizzle is just a polite way of saying, “Get ready, the big stuff's coming.” and it's on the windy side!
63°F17°C & Drizzle

Wind is 11 mph18 km/h from the East, gusting to 25 mph40 km/h
May 5
5pm62°F17°C11 mph18 km/h EastRain
6pm62°F16°C13 mph20 km/h EastRain
7pm59°F15°C13 mph22 km/h EastRain
8pm58°F15°C12 mph19 km/h EastRain
9pm58°F15°C10 mph17 km/h EastRain
10pm58°F14°C11 mph17 km/h EastRain
11pm57°F14°C11 mph18 km/h EastRain
May 6
12am57°F14°C11 mph18 km/h EastRain
1am57°F14°C11 mph17 km/h EastRain
2am56°F13°C11 mph17 km/h EastRain
3am56°F13°C10 mph16 km/h EastRain
4am56°F13°C11 mph18 km/h EastRain
DateLowHighWindDayNight
May 557°F14°C64°F18°C7 mph11 km/h from EastRainRain
May 656°F13°C62°F17°C8 mph13 km/h from SoutheastRainDrizzle
May 755°F13°C66°F19°C5 mph8 km/h from SouthwestRainPartly Cloudy
May 854°F12°C68°F20°C4 mph6 km/h from WestMostly CloudyRain
May 951°F10°C58°F14°C9 mph14 km/h from NortheastRainRain
May 1049°F9°C65°F19°C7 mph12 km/h from NorthPartly CloudyMostly Clear
May 1153°F12°C71°F22°C6 mph10 km/h from NorthwestMostly ClearPartly Cloudy

Yes

Low of 55°F13°C, High of 63°F17°C
Wind: 8 mph13 km/h
Precipitation: 75% rain

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