Yes
you do need a jacket based on the weather in Trafalgar Sq, London WC2N 5DS, UK 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
33°F1°C & Clear
Wind is 6 mph9 km/h from the West, gusting to 14 mph22 km/h
| January 9 | ||||
| 6am | 34°F1°C | 6 mph10 km/h West | Clear | |
| 7am | 35°F1°C | 7 mph12 km/h West | Mostly Clear | |
| 8am | 36°F2°C | 7 mph12 km/h West | Clear | |
| 9am | 37°F3°C | 7 mph12 km/h West | Clear | |
| 10am | 37°F3°C | 7 mph12 km/h West | Clear | |
| 11am | 36°F2°C | 7 mph12 km/h West | Mostly Clear | |
| 12pm | 35°F2°C | 7 mph11 km/h West | Clear | |
| 1pm | 34°F1°C | 7 mph11 km/h West | Clear | |
| 2pm | 34°F1°C | 6 mph10 km/h West | Clear | |
| 3pm | 33°F1°C | 6 mph9 km/h West | Clear | |
| 4pm | 32°F0°C | 6 mph9 km/h West | Clear | |
| 5pm | 32°F-0°C | 5 mph8 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 8 | 30°F-1°C | 37°F3°C | 6 mph10 km/h from West | Mostly Clear | Mostly Clear |
| January 9 | 27°F-3°C | 34°F1°C | 2 mph4 km/h from Northeast | Mostly Cloudy | Mostly Clear |
| January 10 | 27°F-3°C | 35°F1°C | 2 mph3 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| January 11 | 29°F-2°C | 40°F4°C | 3 mph6 km/h from South | Partly Cloudy | Mostly Cloudy |
| January 12 | 34°F1°C | 43°F6°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Cloudy |
| January 13 | 40°F4°C | 47°F8°C | 4 mph7 km/h from West | Mostly Cloudy | Mostly Cloudy |
| January 14 | 38°F3°C | 46°F8°C | 4 mph6 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 28°F-3°C, High of 34°F1°CWind: 2 mph4 km/h
Precipitation: None