Yes
you do need a jacket based on the weather in Hampstead, London NW3, UK 1 second ago
Why? Because it's not very warm out!
55°F13°C & Cloudy
Wind is 4 mph6 km/h from the South, gusting to 9 mph14 km/h
| September 14 | ||||
| 5am | 57°F14°C | 5 mph7 km/h South | Cloudy | |
| 6am | 59°F15°C | 6 mph10 km/h South | Cloudy | |
| 7am | 61°F16°C | 8 mph13 km/h South | Cloudy | |
| 8am | 62°F17°C | 9 mph14 km/h South | Cloudy | |
| 9am | 63°F17°C | 10 mph16 km/h South | Cloudy | |
| 10am | 63°F17°C | 12 mph19 km/h South | Drizzle | |
| 11am | 63°F17°C | 11 mph18 km/h Southeast | Rain | |
| 12pm | 63°F17°C | 12 mph20 km/h South | Rain | |
| 1pm | 64°F18°C | 13 mph22 km/h South | Rain | |
| 2pm | 65°F18°C | 14 mph23 km/h Southwest | Rain | |
| 3pm | 65°F18°C | 16 mph25 km/h Southwest | Rain | |
| 4pm | 65°F18°C | 16 mph25 km/h Southwest | Drizzle | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 13 | 47°F8°C | 65°F18°C | 8 mph13 km/h from South | Rain | Rain |
| September 14 | 56°F13°C | 64°F18°C | 19 mph30 km/h from Southwest | Drizzle | Mostly Clear |
| September 15 | 52°F11°C | 64°F18°C | 12 mph20 km/h from West | Mostly Cloudy | Rain |
| September 16 | 55°F13°C | 69°F21°C | 14 mph23 km/h from Southwest | Drizzle | Drizzle |
| September 17 | 59°F15°C | 69°F21°C | 9 mph15 km/h from Southwest | Drizzle | Partly Cloudy |
| September 18 | 55°F13°C | 70°F21°C | 6 mph9 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| September 19 | 59°F15°C | 71°F22°C | 9 mph15 km/h from South | Mostly Cloudy | Cloudy |
Yes
Low of 56°F14°C, High of 64°F18°CWind: 19 mph30 km/h
Precipitation: 32% rain