Yes
you do need a jacket based on the weather in Westminster, London SW1, UK 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
57°F14°C & Partly Cloudy
Wind is 2 mph4 km/h from the Northwest, gusting to 7 mph12 km/h
| May 3 | ||||
| 4am | 57°F14°C | 3 mph4 km/h Northwest | Mostly Cloudy | |
| 5am | 60°F15°C | 4 mph7 km/h Northwest | Mostly Cloudy | |
| 6am | 62°F17°C | 5 mph8 km/h Northwest | Mostly Cloudy | |
| 7am | 64°F18°C | 6 mph10 km/h Northwest | Mostly Cloudy | |
| 8am | 65°F18°C | 8 mph13 km/h Northwest | Partly Cloudy | |
| 9am | 67°F19°C | 9 mph14 km/h Northwest | Mostly Clear | |
| 10am | 68°F20°C | 9 mph15 km/h North | Mostly Clear | |
| 11am | 67°F20°C | 11 mph18 km/h North | Partly Cloudy | |
| 12pm | 65°F19°C | 12 mph19 km/h North | Partly Cloudy | |
| 1pm | 63°F17°C | 12 mph20 km/h Northeast | Mostly Cloudy | |
| 2pm | 60°F16°C | 12 mph19 km/h Northeast | Mostly Cloudy | |
| 3pm | 57°F14°C | 11 mph18 km/h Northeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 2 | 50°F10°C | 68°F20°C | 7 mph12 km/h from North | Partly Cloudy | Mostly Clear |
| May 3 | 44°F7°C | 56°F13°C | 11 mph17 km/h from North | Mostly Cloudy | Partly Cloudy |
| May 4 | 41°F5°C | 57°F14°C | 11 mph18 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| May 5 | 42°F6°C | 58°F14°C | 8 mph13 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| May 6 | 44°F7°C | 59°F15°C | 8 mph13 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| May 7 | 44°F7°C | 63°F17°C | 8 mph13 km/h from Northeast | Partly Cloudy | Mostly Clear |
| May 8 | 46°F8°C | 65°F18°C | 7 mph12 km/h from East | Mostly Clear | Clear |
Yes
Low of 44°F7°C, High of 55°F13°CWind: 11 mph17 km/h
Precipitation: None