Yes

you do need a jacket based on the weather in Bergen, Norway 1 second ago

Why? Because it's bitterly cold.
44°F7°C & Cloudy

Wind is 7 mph12 km/h from the SE, gusting to 19 mph30 km/h
March 30
12am43°F6°C7 mph12 km/h SECloudy
1am43°F6°C7 mph12 km/h SECloudy
2am43°F6°C8 mph12 km/h SEDrizzle
3am43°F6°C8 mph13 km/h SEDrizzle
4am44°F7°C8 mph13 km/h SEDrizzle
5am46°F8°C9 mph14 km/h SEDrizzle
6am47°F8°C9 mph14 km/h SECloudy
7am48°F9°C9 mph15 km/h SECloudy
8am49°F10°C10 mph17 km/h SCloudy
9am49°F10°C10 mph16 km/h SCloudy
10am50°F10°C9 mph14 km/h SMostly Cloudy
11am49°F10°C8 mph13 km/h SMostly Cloudy
DateLowHighWindDayNight
March 2943°F6°C50°F10°C8 mph13 km/h from SEDrizzleDrizzle
March 3041°F5°C48°F9°C3 mph5 km/h from WDrizzlePartly Cloudy
March 3136°F2°C53°F12°C3 mph5 km/h from NMostly ClearMostly Clear
April 136°F2°C51°F11°C3 mph5 km/h from SWMostly ClearPartly Cloudy
April 236°F2°C45°F7°C4 mph6 km/h from NMostly CloudyDrizzle
April 335°F2°C43°F6°C6 mph10 km/h from EMostly CloudyRain
April 435°F1°C45°F7°C5 mph8 km/h from SEDrizzleDrizzle

Yes

Low of 41°F5°C, High of 48°F9°C
Wind: 3 mph5 km/h
Precipitation: 70% rain

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