Yes
you do need a jacket based on the weather in London Borough of Hounslow, UK 1 second ago
Why? Because it's not very warm out and the wind is harsh and biting!
57°F14°C & Mostly Clear
Wind is 10 mph16 km/h from the Southwest, gusting to 21 mph33 km/h
| September 10 | ||||
| 8pm | 57°F14°C | 10 mph16 km/h Southwest | Mostly Clear | |
| 9pm | 56°F13°C | 10 mph16 km/h Southwest | Mostly Clear | |
| 10pm | 55°F13°C | 10 mph16 km/h Southwest | Mostly Clear | |
| 11pm | 55°F13°C | 10 mph16 km/h Southwest | Partly Cloudy | |
| September 11 | ||||
| 12am | 54°F12°C | 9 mph15 km/h Southwest | Partly Cloudy | |
| 1am | 54°F12°C | 9 mph15 km/h Southwest | Mostly Cloudy | |
| 2am | 54°F12°C | 9 mph14 km/h Southwest | Mostly Clear | |
| 3am | 56°F13°C | 10 mph16 km/h Southwest | Partly Cloudy | |
| 4am | 58°F14°C | 11 mph18 km/h Southwest | Partly Cloudy | |
| 5am | 60°F15°C | 13 mph20 km/h Southwest | Partly Cloudy | |
| 6am | 61°F16°C | 13 mph21 km/h Southwest | Partly Cloudy | |
| 7am | 63°F17°C | 14 mph22 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 10 | 54°F12°C | 64°F18°C | 13 mph21 km/h from Southwest | Drizzle | Drizzle |
| September 11 | 51°F11°C | 64°F18°C | 12 mph19 km/h from Southwest | Drizzle | Rain |
| September 12 | 52°F11°C | 64°F18°C | 10 mph16 km/h from Southwest | Drizzle | Partly Cloudy |
| September 13 | 50°F10°C | 66°F19°C | 13 mph22 km/h from South | Rain | Rain |
| September 14 | 56°F13°C | 63°F17°C | 19 mph30 km/h from Southwest | Thunderstorms | Partly Cloudy |
| September 15 | 53°F12°C | 63°F17°C | 13 mph21 km/h from West | Mostly Cloudy | Partly Cloudy |
| September 16 | 50°F10°C | 66°F19°C | 12 mph20 km/h from Southwest | Drizzle | Mostly Cloudy |
Yes
Low of 51°F11°C, High of 64°F18°CWind: 12 mph19 km/h
Precipitation: 36% rain