Yes

you do need a jacket based on the weather in Copenhagen, Denmark 1 second ago

Why? Because it's so windy, your hat is now someone else's problem, two cities away!
63°F17°C & Windy

Wind is 17 mph28 km/h from the Northwest, gusting to 31 mph50 km/h
August 22
9am63°F17°C18 mph29 km/h NorthwestWindy
10am64°F18°C18 mph28 km/h NorthwestWindy
11am63°F17°C17 mph27 km/h NorthwestWindy
12pm63°F17°C16 mph26 km/h NorthwestWindy
1pm62°F17°C14 mph23 km/h NorthwestPartly Cloudy
2pm60°F16°C13 mph20 km/h NorthwestPartly Cloudy
3pm59°F15°C11 mph17 km/h NorthwestPartly Cloudy
4pm57°F14°C10 mph17 km/h WestPartly Cloudy
5pm56°F13°C11 mph18 km/h WestPartly Cloudy
6pm55°F13°C11 mph18 km/h WestPartly Cloudy
7pm54°F12°C11 mph18 km/h WestMostly Cloudy
8pm53°F12°C10 mph16 km/h NorthwestMostly Cloudy
DateLowHighWindDayNight
August 2152°F11°C64°F18°C16 mph25 km/h from NorthwestWindyDrizzle
August 2252°F11°C62°F17°C13 mph20 km/h from NorthDrizzleClear
August 2351°F11°C67°F19°C10 mph16 km/h from WestMostly ClearPartly Cloudy
August 2455°F13°C67°F19°C9 mph15 km/h from WestPartly CloudyMostly Clear
August 2555°F13°C66°F19°C5 mph8 km/h from NorthwestMostly ClearPartly Cloudy
August 2655°F13°C67°F19°C10 mph15 km/h from SoutheastMostly CloudyPartly Cloudy
August 2758°F14°C67°F20°C9 mph15 km/h from EastMostly CloudyDrizzle

Yes

Low of 52°F11°C, High of 62°F17°C
Wind: 13 mph20 km/h
Precipitation: 35% rain

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