Yes
you do need a jacket based on the weather in Westminster, London SW1, UK 1 second ago
Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
49°F9°C & Clear
Wind is 6 mph10 km/h from the Northeast, gusting to 16 mph25 km/h
| May 15 | ||||
| 9pm | 48°F9°C | 6 mph10 km/h Northeast | Clear | |
| 10pm | 47°F8°C | 6 mph9 km/h Northeast | Clear | |
| 11pm | 46°F8°C | 5 mph9 km/h North | Clear | |
| May 16 | ||||
| 12am | 46°F8°C | 5 mph8 km/h North | Clear | |
| 1am | 46°F8°C | 5 mph8 km/h North | Clear | |
| 2am | 47°F9°C | 5 mph9 km/h North | Mostly Clear | |
| 3am | 50°F10°C | 6 mph10 km/h North | Mostly Clear | |
| 4am | 54°F12°C | 7 mph11 km/h North | Clear | |
| 5am | 58°F14°C | 7 mph12 km/h North | Clear | |
| 6am | 61°F16°C | 8 mph12 km/h North | Clear | |
| 7am | 64°F18°C | 8 mph13 km/h North | Clear | |
| 8am | 66°F19°C | 8 mph14 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 46°F8°C | 69°F21°C | 8 mph13 km/h from North | Clear | Partly Cloudy |
| May 16 | 49°F9°C | 69°F20°C | 7 mph12 km/h from North | Mostly Clear | Clear |
| May 17 | 49°F9°C | 68°F20°C | 6 mph10 km/h from North | Partly Cloudy | Mostly Clear |
| May 18 | 49°F10°C | 69°F21°C | 8 mph13 km/h from East | Mostly Clear | Mostly Clear |
| May 19 | 50°F10°C | 70°F21°C | 6 mph10 km/h from Northeast | Partly Cloudy | Mostly Cloudy |
| May 20 | 52°F11°C | 67°F19°C | 7 mph11 km/h from North | Mostly Cloudy | Mostly Cloudy |
| May 21 | 50°F10°C | 65°F18°C | 10 mph16 km/h from North | Partly Cloudy | Partly Cloudy |
Yes
Low of 49°F10°C, High of 69°F21°CWind: 7 mph12 km/h
Precipitation: None