Yes

you do need a jacket based on the weather in 1008 DG Amsterdam, Netherlands 1 second ago

Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it and the wind is harsh and biting!
41°F5°C & Cloudy

Wind is 11 mph17 km/h from the West, gusting to 20 mph32 km/h
December 22
2pm41°F5°C11 mph18 km/h WestCloudy
3pm42°F5°C12 mph20 km/h WestRain
4pm41°F5°C13 mph21 km/h WestRain
5pm42°F6°C13 mph21 km/h WestDrizzle
6pm44°F7°C15 mph24 km/h NorthwestRain
7pm45°F7°C18 mph29 km/h NorthwestWindy
8pm45°F7°C19 mph31 km/h NorthwestWindy
9pm45°F7°C18 mph29 km/h NorthwestWindy
10pm44°F7°C18 mph29 km/h NorthwestWindy
11pm43°F6°C18 mph30 km/h NorthwestWindy
December 23
12am43°F6°C18 mph29 km/h NorthwestWindy
1am43°F6°C18 mph29 km/h NorthwestWindy
DateLowHighWindDayNight
December 2140°F5°C49°F9°C12 mph19 km/h from WestDrizzleRain
December 2241°F5°C46°F8°C14 mph23 km/h from NorthwestPartly CloudyMostly Cloudy
December 2340°F4°C49°F9°C8 mph13 km/h from SouthwestCloudyCloudy
December 2446°F8°C50°F10°C5 mph9 km/h from SouthwestCloudyCloudy
December 2543°F6°C47°F8°C2 mph4 km/h from SouthwestCloudyCloudy
December 2641°F5°C46°F8°C3 mph6 km/h from EastMostly CloudyMostly Cloudy
December 2737°F3°C42°F6°C3 mph5 km/h from SouthMostly CloudyMostly Cloudy

Yes

Low of 41°F5°C, High of 46°F8°C
Wind: 14 mph23 km/h
Precipitation: None

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