No
you don't need a jacket based on the weather in London, UK 30 minutes ago
61°F16°C & Partly Cloudy
Wind is 4 mph7 km/h from the Southwest, gusting to 12 mph20 km/h
| September 19 | ||||
| 11pm | 60°F16°C | 4 mph7 km/h Southwest | Partly Cloudy | |
| September 20 | ||||
| 12am | 59°F15°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 1am | 59°F15°C | 4 mph7 km/h Southwest | Mostly Cloudy | |
| 2am | 59°F15°C | 4 mph6 km/h South | Cloudy | |
| 3am | 61°F16°C | 5 mph8 km/h South | Cloudy | |
| 4am | 63°F17°C | 6 mph10 km/h South | Cloudy | |
| 5am | 65°F18°C | 7 mph11 km/h Southwest | Cloudy | |
| 6am | 67°F19°C | 8 mph13 km/h South | Cloudy | |
| 7am | 69°F20°C | 9 mph14 km/h Southwest | Cloudy | |
| 8am | 71°F21°C | 11 mph17 km/h Southwest | Cloudy | |
| 9am | 71°F22°C | 12 mph20 km/h Southwest | Mostly Cloudy | |
| 10am | 70°F21°C | 12 mph20 km/h Southwest | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 19 | 56°F14°C | 71°F22°C | 10 mph17 km/h from Southwest | Cloudy | Mostly Clear |
| September 20 | 49°F9°C | 61°F16°C | 8 mph13 km/h from North | Partly Cloudy | Mostly Clear |
| September 21 | 45°F7°C | 62°F17°C | 9 mph15 km/h from North | Mostly Clear | Clear |
| September 22 | 42°F6°C | 62°F17°C | 6 mph10 km/h from North | Partly Cloudy | Mostly Clear |
| September 23 | 45°F7°C | 64°F18°C | 6 mph10 km/h from Northeast | Partly Cloudy | Mostly Cloudy |
| September 24 | 48°F9°C | 62°F16°C | 7 mph11 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| September 25 | 48°F9°C | 64°F18°C | 5 mph8 km/h from East | Mostly Clear | Partly Cloudy |
Yes
Low of 49°F10°C, High of 61°F16°CWind: 8 mph13 km/h
Precipitation: None