Yes

you do need a jacket based on the weather in Baltimore, MD, USA 3 minutes ago

Why? Because it's not very warm out!
54°F12°C & Mostly Clear

Wind is 7 mph12 km/h from the West, gusting to 16 mph25 km/h
October 22
9am53°F12°C8 mph12 km/h WestClear
10am52°F11°C8 mph13 km/h WestClear
11am51°F11°C6 mph10 km/h WestClear
12pm51°F10°C6 mph10 km/h WestClear
1pm54°F12°C7 mph12 km/h WestMostly Clear
2pm58°F14°C10 mph16 km/h WestClear
3pm60°F16°C12 mph20 km/h WestMostly Clear
4pm61°F16°C13 mph21 km/h WestMostly Clear
5pm61°F16°C13 mph21 km/h WestPartly Cloudy
6pm61°F16°C13 mph20 km/h WestPartly Cloudy
7pm62°F16°C12 mph20 km/h WestPartly Cloudy
8pm61°F16°C12 mph19 km/h WestPartly Cloudy
DateLowHighWindDayNight
October 2250°F10°C62°F16°C10 mph17 km/h from WestMostly ClearMostly Clear
October 2345°F7°C59°F15°C10 mph17 km/h from WestMostly ClearMostly Clear
October 2442°F5°C59°F15°C8 mph12 km/h from NorthwestMostly ClearMostly Clear
October 2542°F5°C59°F15°C5 mph9 km/h from NorthwestPartly CloudyPartly Cloudy
October 2642°F6°C57°F14°C4 mph6 km/h from NortheastMostly CloudyMostly Cloudy
October 2744°F7°C56°F14°C6 mph10 km/h from NortheastMostly CloudyDrizzle
October 2842°F5°C56°F13°C7 mph12 km/h from NortheastPartly CloudyPartly Cloudy

Yes

Low of 46°F8°C, High of 59°F15°C
Wind: 10 mph17 km/h
Precipitation: None

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