Yes

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

Why? Because this drizzle is just a polite way of saying, “Get ready, the big stuff's coming.” and it's not very warm out!
53°F12°C & Drizzle

Wind is 6 mph10 km/h from the Southeast, gusting to 14 mph23 km/h
September 17
9pm53°F11°C7 mph11 km/h SoutheastMostly Cloudy
10pm53°F12°C7 mph11 km/h SoutheastDrizzle
11pm53°F12°C7 mph12 km/h SoutheastDrizzle
September 18
12am53°F12°C8 mph13 km/h SoutheastDrizzle
1am53°F12°C9 mph14 km/h SouthRain
2am53°F12°C9 mph15 km/h SouthRain
3am54°F12°C8 mph13 km/h SouthRain
4am55°F13°C8 mph12 km/h SouthDrizzle
5am56°F14°C9 mph14 km/h SouthRain
6am57°F14°C10 mph16 km/h SouthDrizzle
7am57°F14°C12 mph19 km/h SouthRain
8am57°F14°C12 mph20 km/h SouthRain
DateLowHighWindDayNight
September 1753°F11°C57°F14°C10 mph17 km/h from SouthRainRain
September 1853°F12°C59°F15°C9 mph15 km/h from SouthRainRain
September 1950°F10°C57°F14°C7 mph11 km/h from SouthwestRainRain
September 2048°F9°C55°F13°C10 mph17 km/h from NorthRainDrizzle
September 2144°F7°C52°F11°C8 mph13 km/h from NorthwestDrizzleRain
September 2245°F7°C54°F12°C5 mph8 km/h from NorthMostly ClearPartly Cloudy
September 2341°F5°C56°F14°C3 mph5 km/h from SoutheastMostly CloudyMostly Cloudy

Yes

Low of 54°F12°C, High of 59°F15°C
Wind: 9 mph15 km/h
Precipitation: 81% rain

Support This Page