Yes

you do need a jacket based on the weather in Lanham, MD 20706, USA 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
44°F7°C & Mostly Cloudy

Wind is 3 mph5 km/h from the South, gusting to 10 mph16 km/h
November 5
2pm50°F10°C7 mph11 km/h SouthwestClear
3pm56°F13°C9 mph15 km/h SouthwestClear
4pm60°F16°C11 mph18 km/h SouthwestMostly Clear
5pm64°F18°C11 mph18 km/h SouthwestMostly Clear
6pm66°F19°C12 mph20 km/h SouthwestMostly Cloudy
7pm67°F19°C13 mph22 km/h SouthwestMostly Cloudy
8pm67°F20°C13 mph21 km/h SouthwestMostly Cloudy
9pm68°F20°C13 mph20 km/h SouthwestClear
10pm66°F19°C12 mph19 km/h SouthwestClear
11pm64°F18°C12 mph19 km/h SouthwestMostly Clear
November 6
12am63°F17°C11 mph18 km/h SouthwestClear
1am61°F16°C11 mph18 km/h SouthwestClear
DateLowHighWindDayNight
November 538°F3°C68°F20°C10 mph17 km/h from SouthwestMostly ClearClear
November 640°F5°C57°F14°C9 mph14 km/h from NorthwestClearMostly Clear
November 738°F3°C61°F16°C11 mph18 km/h from SouthMostly CloudyRain
November 852°F11°C67°F19°C5 mph8 km/h from WestPartly CloudyMostly Clear
November 948°F9°C67°F19°C8 mph13 km/h from SouthwestRainPartly Cloudy
November 1033°F1°C48°F9°C11 mph18 km/h from NorthwestPartly CloudySnow
November 1130°F-1°C44°F7°C13 mph21 km/h from WestPartly CloudyPartly Cloudy

Yes

Low of 40°F5°C, High of 57°F14°C
Wind: 9 mph14 km/h
Precipitation: None

Support This Page