Yes

you do need a jacket based on the weather in Catonsville, MD 21228, USA 1 second ago

Why? Because it's colder than a polar bear's pyjamas!
32°F-0°C & Cloudy

Wind is 6 mph10 km/h from the Northwest, gusting to 12 mph19 km/h
January 10
2pm32°F-0°C6 mph10 km/h NorthwestCloudy
3pm32°F0°C5 mph8 km/h NorthwestCloudy
4pm31°F-0°C4 mph7 km/h WestCloudy
5pm30°F-1°C4 mph7 km/h SouthwestCloudy
6pm28°F-2°C4 mph6 km/h WestCloudy
7pm27°F-3°C4 mph6 km/h WestCloudy
8pm27°F-3°C3 mph5 km/h WestCloudy
9pm26°F-3°C3 mph5 km/h SouthwestCloudy
10pm26°F-3°C3 mph4 km/h SouthwestCloudy
11pm26°F-3°C3 mph6 km/h SouthwestCloudy
January 11
12am26°F-3°C5 mph8 km/h SouthSnow
1am26°F-3°C5 mph8 km/h SouthSnow
DateLowHighWindDayNight
January 1019°F-7°C32°F0°C5 mph9 km/h from NorthwestMostly CloudySnow
January 1124°F-4°C32°F0°C10 mph15 km/h from NorthwestPartly CloudyMostly Clear
January 1224°F-4°C37°F3°C5 mph8 km/h from WestMostly ClearMostly Clear
January 1321°F-6°C38°F3°C5 mph8 km/h from WestMostly ClearMostly Clear
January 1417°F-8°C28°F-2°C12 mph19 km/h from WestPartly CloudyMostly Clear
January 1516°F-9°C27°F-3°C14 mph22 km/h from NorthwestPartly CloudyMostly Cloudy
January 1619°F-8°C26°F-3°C8 mph13 km/h from WestMostly CloudyPartly Cloudy

Yes

Low of 25°F-4°C, High of 32°F0°C
Wind: 10 mph15 km/h
Precipitation: None

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