Yes

you do need a jacket based on the weather in Hagerstown, MD 21742, USA 1 second ago

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
41°F5°C & Mostly Clear

Wind is 4 mph6 km/h from the Southwest, gusting to 7 mph11 km/h
October 24
1pm42°F5°C4 mph7 km/h SouthwestClear
2pm47°F8°C7 mph11 km/h WestClear
3pm50°F10°C10 mph17 km/h WestMostly Clear
4pm52°F11°C12 mph19 km/h NorthwestPartly Cloudy
5pm53°F12°C11 mph18 km/h NorthwestMostly Cloudy
6pm54°F12°C11 mph17 km/h NorthwestMostly Cloudy
7pm54°F12°C10 mph17 km/h NorthwestMostly Cloudy
8pm54°F12°C10 mph16 km/h NorthwestMostly Cloudy
9pm53°F12°C9 mph15 km/h NorthwestPartly Cloudy
10pm51°F11°C7 mph12 km/h NorthwestPartly Cloudy
11pm48°F9°C6 mph10 km/h NorthwestMostly Clear
October 25
12am46°F8°C5 mph8 km/h NorthwestMostly Clear
DateLowHighWindDayNight
October 2437°F3°C54°F12°C8 mph13 km/h from NorthwestPartly CloudyMostly Clear
October 2535°F2°C55°F13°C3 mph5 km/h from NorthwestPartly CloudyMostly Cloudy
October 2638°F3°C56°F14°C3 mph4 km/h from SoutheastMostly CloudyMostly Cloudy
October 2739°F4°C54°F12°C7 mph11 km/h from EastCloudyCloudy
October 2840°F5°C52°F11°C9 mph14 km/h from NortheastDrizzleDrizzle
October 2941°F5°C54°F12°C7 mph11 km/h from NorthMostly CloudyPartly Cloudy
October 3041°F5°C53°F12°C12 mph19 km/h from NorthwestPartly CloudyRain

Yes

Low of 35°F2°C, High of 55°F13°C
Wind: 3 mph5 km/h
Precipitation: None

Support This Page