Yes
you do need a jacket based on the weather in London SE1 7ND, UK 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
45°F7°C & Cloudy
Wind is 2 mph3 km/h from the South, gusting to 4 mph6 km/h
| December 26 | ||||
| 12am | 45°F7°C | 2 mph3 km/h South | Cloudy | |
| 1am | 45°F7°C | 2 mph3 km/h South | Cloudy | |
| 2am | 45°F7°C | 2 mph3 km/h South | Cloudy | |
| 3am | 45°F7°C | 2 mph3 km/h South | Cloudy | |
| 4am | 46°F8°C | 2 mph3 km/h South | Mostly Cloudy | |
| 5am | 46°F8°C | 2 mph3 km/h South | Mostly Cloudy | |
| 6am | 47°F8°C | 2 mph3 km/h South | Mostly Cloudy | |
| 7am | 48°F9°C | 2 mph3 km/h Southwest | Mostly Cloudy | |
| 8am | 48°F9°C | 2 mph3 km/h Southwest | Mostly Cloudy | |
| 9am | 48°F9°C | 2 mph4 km/h Southwest | Mostly Cloudy | |
| 10am | 48°F9°C | 2 mph3 km/h West | Mostly Cloudy | |
| 11am | 47°F8°C | 1 mph2 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 25 | 43°F6°C | 48°F9°C | 2 mph3 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| December 26 | 41°F5°C | 46°F8°C | 1 mph2 km/h from North | Mostly Cloudy | Mostly Cloudy |
| December 27 | 40°F5°C | 46°F8°C | 2 mph4 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| December 28 | 39°F4°C | 49°F10°C | 5 mph8 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| December 29 | 40°F5°C | 49°F10°C | 9 mph14 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| December 30 | 45°F7°C | 52°F11°C | 13 mph21 km/h from Southwest | Rain | Rain |
| December 31 | 45°F7°C | 54°F12°C | 12 mph19 km/h from Southwest | Drizzle | Cloudy |
Yes
Low of 41°F5°C, High of 46°F8°CWind: 1 mph2 km/h
Precipitation: None