Yes

you do need a jacket based on the weather in Waltham Abbey, UK 1 second ago

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
37°F3°C & Mostly Cloudy

Wind is 9 mph14 km/h from the North, gusting to 18 mph29 km/h
January 30
1am37°F3°C9 mph14 km/h NorthMostly Cloudy
2am35°F2°C9 mph14 km/h NorthClear
3am34°F1°C7 mph11 km/h NorthwestClear
4am35°F2°C7 mph11 km/h NorthwestClear
5am37°F3°C8 mph13 km/h NorthwestClear
6am40°F4°C8 mph14 km/h NorthwestClear
7am42°F5°C8 mph14 km/h NorthwestClear
8am43°F6°C9 mph15 km/h NorthwestClear
9am44°F7°C10 mph15 km/h NorthwestClear
10am44°F7°C10 mph16 km/h NorthwestMostly Clear
11am43°F6°C8 mph12 km/h NorthwestClear
12pm41°F5°C6 mph9 km/h WestClear
DateLowHighWindDayNight
January 2934°F1°C44°F7°C8 mph12 km/h from NorthwestClearRain
January 3034°F1°C44°F7°C5 mph9 km/h from SouthRainMostly Cloudy
January 3135°F1°C42°F6°C7 mph11 km/h from SouthCloudyPartly Cloudy
February 131°F-0°C45°F7°C5 mph8 km/h from SouthPartly CloudyPartly Cloudy
February 231°F-0°C44°F6°C5 mph8 km/h from SouthwestMostly CloudyMostly Cloudy
February 338°F3°C48°F9°C8 mph13 km/h from SouthPartly CloudyPartly Cloudy
February 436°F2°C44°F7°C7 mph11 km/h from NorthwestMostly ClearMostly Clear

Yes

Low of 35°F2°C, High of 45°F7°C
Wind: 5 mph9 km/h
Precipitation: 84% rain

Support This Page