No
you don't need a jacket based on the weather in Harrow, UK 1 second ago
61°F16°C & Clear
Wind is 6 mph10 km/h from the Southeast, gusting to 15 mph24 km/h
| March 20 | ||||
| 2pm | 60°F16°C | 7 mph11 km/h Southeast | Clear | |
| 3pm | 58°F14°C | 6 mph10 km/h Southeast | Clear | |
| 4pm | 56°F13°C | 7 mph11 km/h East | Mostly Clear | |
| 5pm | 54°F12°C | 7 mph11 km/h East | Partly Cloudy | |
| 6pm | 52°F11°C | 7 mph11 km/h East | Mostly Cloudy | |
| 7pm | 51°F11°C | 6 mph10 km/h East | Cloudy | |
| 8pm | 50°F10°C | 6 mph10 km/h East | Cloudy | |
| 9pm | 50°F10°C | 6 mph10 km/h East | Cloudy | |
| 10pm | 50°F10°C | 7 mph11 km/h East | Cloudy | |
| 11pm | 49°F10°C | 7 mph11 km/h East | Cloudy | |
| March 21 | ||||
| 12am | 49°F9°C | 7 mph12 km/h East | Cloudy | |
| 1am | 49°F9°C | 8 mph12 km/h East | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 19 | 44°F6°C | 67°F20°C | 4 mph6 km/h from Southeast | Mostly Clear | Mostly Cloudy |
| March 20 | 49°F9°C | 62°F16°C | 11 mph17 km/h from Southeast | Cloudy | Drizzle |
| March 21 | 48°F9°C | 57°F14°C | 6 mph10 km/h from South | Cloudy | Mostly Cloudy |
| March 22 | 46°F8°C | 56°F14°C | 6 mph10 km/h from North | Mostly Cloudy | Mostly Cloudy |
| March 23 | 43°F6°C | 54°F12°C | 7 mph12 km/h from North | Mostly Cloudy | Mostly Cloudy |
| March 24 | 42°F5°C | 57°F14°C | 6 mph10 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| March 25 | 42°F6°C | 56°F14°C | 5 mph8 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 49°F10°C, High of 62°F17°CWind: 11 mph17 km/h
Precipitation: None