No
you don't need a jacket based on the weather in London SW17, UK 1 second ago
61°F16°C & Mostly Cloudy
Wind is 8 mph13 km/h from the Southwest, gusting to 17 mph28 km/h
| September 10 | ||||
| 4pm | 61°F16°C | 8 mph13 km/h Southwest | Drizzle | |
| 5pm | 61°F16°C | 9 mph14 km/h Southwest | Drizzle | |
| 6pm | 59°F15°C | 10 mph17 km/h West | Partly Cloudy | |
| 7pm | 58°F15°C | 10 mph16 km/h West | Mostly Clear | |
| 8pm | 57°F14°C | 9 mph15 km/h West | Mostly Clear | |
| 9pm | 56°F13°C | 9 mph15 km/h Southwest | Mostly Clear | |
| 10pm | 55°F13°C | 9 mph15 km/h Southwest | Partly Cloudy | |
| 11pm | 55°F13°C | 9 mph14 km/h Southwest | Mostly Clear | |
| September 11 | ||||
| 12am | 54°F12°C | 8 mph13 km/h Southwest | Partly Cloudy | |
| 1am | 54°F12°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| 2am | 54°F12°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| 3am | 55°F13°C | 9 mph14 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 9 | 58°F14°C | 64°F18°C | 7 mph11 km/h from South | Drizzle | Drizzle |
| September 10 | 54°F12°C | 65°F18°C | 12 mph19 km/h from Southwest | Drizzle | Drizzle |
| September 11 | 51°F11°C | 65°F18°C | 11 mph18 km/h from Southwest | Drizzle | Rain |
| September 12 | 54°F12°C | 64°F18°C | 10 mph16 km/h from Southwest | Drizzle | Partly Cloudy |
| September 13 | 51°F11°C | 67°F19°C | 14 mph23 km/h from South | Rain | Thunderstorms |
| September 14 | 55°F13°C | 64°F18°C | 18 mph29 km/h from Southwest | Drizzle | Partly Cloudy |
| September 15 | 53°F12°C | 62°F17°C | 13 mph21 km/h from West | Drizzle | Partly Cloudy |
Yes
Low of 54°F12°C, High of 64°F18°CWind: 12 mph19 km/h
Precipitation: 62% rain