Yes

you do need a jacket based on the weather in Baltimore, MD 21230, USA 1 second ago

Why? Because Jack Frost is nipping at your nose!
30°F-1°C & Mostly Cloudy

Wind is 2 mph4 km/h from the Northeast, gusting to 4 mph7 km/h
December 27
4am30°F-1°C2 mph4 km/h NortheastPartly Cloudy
5am29°F-2°C3 mph4 km/h NortheastMostly Cloudy
6am29°F-2°C3 mph4 km/h NortheastMostly Cloudy
7am29°F-2°C3 mph4 km/h NortheastMostly Cloudy
8am29°F-2°C3 mph5 km/h NortheastMostly Cloudy
9am32°F-0°C3 mph4 km/h NortheastMostly Cloudy
10am34°F1°C3 mph4 km/h NortheastPartly Cloudy
11am37°F3°C3 mph5 km/h EastPartly Cloudy
12pm40°F4°C3 mph4 km/h EastPartly Cloudy
1pm41°F5°C4 mph6 km/h SoutheastMostly Cloudy
2pm43°F6°C4 mph6 km/h SoutheastPartly Cloudy
3pm43°F6°C4 mph6 km/h SoutheastMostly Cloudy
DateLowHighWindDayNight
December 2729°F-2°C43°F6°C3 mph5 km/h from EastMostly CloudyDrizzle
December 2840°F4°C50°F10°C3 mph5 km/h from SouthRainDrizzle
December 2949°F9°C58°F15°C12 mph19 km/h from SoutheastRainRain
December 3044°F7°C55°F13°C9 mph15 km/h from WestPartly CloudyMostly Clear
December 3138°F3°C52°F11°C6 mph10 km/h from SoutheastMostly CloudyRain
January 139°F4°C50°F10°C13 mph21 km/h from WestMostly CloudyPartly Cloudy
January 231°F-1°C40°F5°C14 mph22 km/h from WestPartly CloudyClear

Yes

Low of 39°F4°C, High of 50°F10°C
Wind: 3 mph5 km/h
Precipitation: 83% rain

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