Yes

you do need a jacket based on the weather in Syracuse, NY, USA 1 second ago

Why? Because it's not very warm out.
56°F13°C & Clear

Wind is 5 mph8 km/h from the E, gusting to 12 mph19 km/h
April 26
8pm54°F12°C5 mph8 km/h EClear
9pm51°F10°C5 mph9 km/h EClear
10pm48°F9°C6 mph9 km/h SEClear
11pm46°F8°C6 mph10 km/h SEMostly Clear
April 27
12am45°F7°C6 mph10 km/h SEMostly Clear
1am44°F7°C6 mph10 km/h SEPartly Cloudy
2am43°F6°C6 mph10 km/h SEPartly Cloudy
3am43°F6°C7 mph11 km/h SEPartly Cloudy
4am43°F6°C7 mph11 km/h SEPartly Cloudy
5am42°F6°C7 mph11 km/h SPartly Cloudy
6am42°F5°C8 mph12 km/h SEMostly Cloudy
7am43°F6°C8 mph13 km/h SEMostly Cloudy
DateLowHighWindDayNight
April 2628°F-2°C63°F17°C3 mph5 km/h from NEClearMostly Clear
April 2742°F5°C63°F17°C12 mph20 km/h from SDrizzleRain
April 2851°F11°C74°F23°C6 mph9 km/h from SWDrizzleRain
April 2955°F13°C78°F25°C3 mph5 km/h from NMostly CloudyDrizzle
April 3053°F12°C74°F23°C4 mph6 km/h from WRainDrizzle
May 149°F9°C69°F21°C4 mph6 km/h from NWMostly CloudyPartly Cloudy
May 252°F11°C77°F25°C5 mph7 km/h from SWMostly CloudyMostly Cloudy

Yes

Low of 42°F6°C, High of 64°F18°C
Wind: 12 mph20 km/h
Precipitation: 38% rain

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