Yes
you do need a jacket based on the weather in Union St, London SE1 1SZ, UK 1 second ago
Why? Because it's pretty chilly.
58°F15°C & Mostly Clear
Wind is 4 mph6 km/h from the W, gusting to 9 mph15 km/h
| July 27 | ||||
| 3am | 59°F15°C | 4 mph7 km/h W | Mostly Clear | |
| 4am | 62°F17°C | 4 mph7 km/h W | Mostly Clear | |
| 5am | 65°F18°C | 5 mph8 km/h W | Mostly Clear | |
| 6am | 68°F20°C | 6 mph9 km/h W | Mostly Clear | |
| 7am | 70°F21°C | 6 mph10 km/h W | Mostly Clear | |
| 8am | 72°F22°C | 6 mph10 km/h W | Mostly Clear | |
| 9am | 73°F23°C | 7 mph11 km/h W | Mostly Cloudy | |
| 10am | 74°F23°C | 7 mph12 km/h W | Mostly Cloudy | |
| 11am | 73°F23°C | 8 mph12 km/h W | Mostly Cloudy | |
| 12pm | 73°F23°C | 8 mph13 km/h W | Partly Cloudy | |
| 1pm | 72°F22°C | 8 mph12 km/h NW | Partly Cloudy | |
| 2pm | 71°F21°C | 7 mph11 km/h NW | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 26 | 56°F13°C | 74°F23°C | 6 mph10 km/h from W | Partly Cloudy | Clear |
| July 27 | 56°F13°C | 79°F26°C | 3 mph4 km/h from E | Mostly Clear | Mostly Clear |
| July 28 | 58°F14°C | 83°F28°C | 6 mph10 km/h from SE | Mostly Clear | Mostly Clear |
| July 29 | 61°F16°C | 84°F29°C | 5 mph8 km/h from E | Mostly Cloudy | Mostly Cloudy |
| July 30 | 64°F18°C | 78°F25°C | 7 mph11 km/h from NE | Drizzle | Partly Cloudy |
| July 31 | 62°F17°C | 77°F25°C | 5 mph7 km/h from W | Mostly Cloudy | Mostly Cloudy |
| August 1 | 61°F16°C | 76°F25°C | 8 mph13 km/h from W | Partly Cloudy | Partly Cloudy |
Yes
Low of 55°F13°C, High of 79°F26°CWind: 3 mph4 km/h
Precipitation: None