Yes
you do need a jacket based on the weather in Harrow, UK 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
56°F13°C & Mostly Cloudy
Wind is 4 mph7 km/h from the Northeast, gusting to 11 mph18 km/h
| October 17 | ||||
| 7pm | 55°F13°C | 5 mph8 km/h East | Mostly Cloudy | |
| 8pm | 54°F12°C | 5 mph7 km/h East | Mostly Cloudy | |
| 9pm | 53°F12°C | 4 mph7 km/h East | Mostly Cloudy | |
| 10pm | 53°F11°C | 5 mph7 km/h East | Mostly Cloudy | |
| 11pm | 52°F11°C | 4 mph6 km/h East | Mostly Cloudy | |
| October 18 | ||||
| 12am | 51°F11°C | 4 mph6 km/h East | Mostly Cloudy | |
| 1am | 50°F10°C | 4 mph6 km/h East | Mostly Cloudy | |
| 2am | 50°F10°C | 4 mph6 km/h East | Cloudy | |
| 3am | 50°F10°C | 4 mph7 km/h East | Cloudy | |
| 4am | 49°F10°C | 4 mph7 km/h East | Cloudy | |
| 5am | 50°F10°C | 5 mph7 km/h East | Cloudy | |
| 6am | 50°F10°C | 5 mph8 km/h East | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 16 | 52°F11°C | 59°F15°C | 2 mph4 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
| October 17 | 49°F10°C | 59°F15°C | 7 mph12 km/h from Southeast | Cloudy | Cloudy |
| October 18 | 53°F12°C | 60°F16°C | 12 mph19 km/h from South | Rain | Drizzle |
| October 19 | 53°F12°C | 59°F15°C | 11 mph17 km/h from South | Rain | Drizzle |
| October 20 | 50°F10°C | 58°F15°C | 10 mph16 km/h from West | Mostly Cloudy | Partly Cloudy |
| October 21 | 47°F8°C | 58°F14°C | 8 mph12 km/h from Southwest | Mostly Cloudy | Drizzle |
| October 22 | 52°F11°C | 60°F15°C | 18 mph29 km/h from Southwest | Windy | Drizzle |
Yes
Low of 49°F10°C, High of 59°F15°CWind: 7 mph12 km/h
Precipitation: None