Yes

you do need a jacket based on the weather in 8901 Wisconsin Ave, Bethesda, MD 20889, USA 1 second ago

Why? Because the drizzle is not enough rain to call it "raining," but enough to make you a little soggy and it's not very warm out and it's on the windy side!
54°F12°C & Drizzle

Wind is 7 mph12 km/h from the West, gusting to 22 mph35 km/h
November 26
9am56°F13°C10 mph16 km/h WestMostly Cloudy
10am59°F15°C14 mph22 km/h NorthwestMostly Clear
11am59°F15°C15 mph24 km/h NorthwestPartly Cloudy
12pm60°F15°C14 mph23 km/h NorthwestMostly Clear
1pm59°F15°C14 mph22 km/h NorthwestMostly Clear
2pm59°F15°C13 mph21 km/h NorthwestClear
3pm58°F14°C12 mph20 km/h NorthwestClear
4pm56°F13°C11 mph17 km/h NorthwestClear
5pm52°F11°C9 mph14 km/h NorthwestClear
6pm50°F10°C7 mph12 km/h NorthwestClear
7pm47°F9°C6 mph10 km/h NorthwestClear
8pm45°F7°C6 mph9 km/h NorthwestClear
DateLowHighWindDayNight
November 2641°F5°C60°F15°C11 mph18 km/h from NorthwestRainMostly Clear
November 2736°F2°C53°F12°C4 mph6 km/h from SouthMostly CloudyRain
November 2840°F5°C53°F12°C8 mph13 km/h from WestRainMostly Clear
November 2931°F-1°C47°F8°C8 mph13 km/h from WestPartly CloudyMostly Clear
November 3026°F-3°C37°F3°C9 mph14 km/h from WestMostly ClearMostly Cloudy
December 124°F-4°C36°F2°C9 mph14 km/h from NorthwestPartly CloudyClear
December 222°F-6°C36°F2°C11 mph18 km/h from NorthwestClearClear

Yes

Low of 36°F2°C, High of 53°F12°C
Wind: 4 mph6 km/h
Precipitation: None

Support This Page