No
you don't need a jacket based on the weather in Harrow, UK 1 second ago
69°F21°C & Clear
Wind is 6 mph9 km/h from the West, gusting to 15 mph24 km/h
| August 8 | ||||
| 5pm | 67°F19°C | 6 mph9 km/h West | Clear | |
| 6pm | 65°F18°C | 5 mph9 km/h West | Clear | |
| 7pm | 62°F17°C | 5 mph8 km/h West | Mostly Clear | |
| 8pm | 60°F16°C | 5 mph9 km/h West | Mostly Clear | |
| 9pm | 59°F15°C | 5 mph8 km/h West | Mostly Cloudy | |
| 10pm | 58°F14°C | 5 mph7 km/h West | Mostly Cloudy | |
| 11pm | 57°F14°C | 4 mph6 km/h West | Mostly Cloudy | |
| August 9 | ||||
| 12am | 56°F13°C | 4 mph6 km/h West | Partly Cloudy | |
| 1am | 56°F13°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 2am | 57°F14°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 3am | 60°F16°C | 5 mph8 km/h Southwest | Partly Cloudy | |
| 4am | 64°F18°C | 7 mph11 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 7 | 58°F14°C | 78°F26°C | 5 mph8 km/h from West | Partly Cloudy | Mostly Clear |
| August 8 | 56°F13°C | 76°F25°C | 10 mph16 km/h from West | Partly Cloudy | Clear |
| August 9 | 56°F13°C | 78°F26°C | 2 mph4 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 10 | 59°F15°C | 81°F27°C | 4 mph6 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| August 11 | 64°F18°C | 87°F30°C | 9 mph14 km/h from East | Mostly Clear | Mostly Clear |
| August 12 | 64°F18°C | 83°F28°C | 7 mph12 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| August 13 | 65°F18°C | 80°F26°C | 6 mph10 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
Yes
Low of 56°F14°C, High of 76°F25°CWind: 10 mph16 km/h
Precipitation: None