Yes
you do need a jacket based on the weather in Harrow, UK 1 second ago
Why? Because the wind is harsh and biting!
64°F18°C & Cloudy
Wind is 9 mph15 km/h from the West, gusting to 21 mph33 km/h
| July 5 | ||||
| 7pm | 63°F17°C | 10 mph15 km/h West | Cloudy | |
| 8pm | 62°F16°C | 9 mph14 km/h West | Partly Cloudy | |
| 9pm | 60°F16°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| 10pm | 60°F15°C | 7 mph12 km/h Southwest | Cloudy | |
| 11pm | 59°F15°C | 7 mph11 km/h Southwest | Cloudy | |
| July 6 | ||||
| 12am | 60°F15°C | 6 mph10 km/h Southwest | Cloudy | |
| 1am | 60°F16°C | 6 mph10 km/h Southwest | Cloudy | |
| 2am | 61°F16°C | 7 mph11 km/h Southwest | Cloudy | |
| 3am | 62°F17°C | 7 mph12 km/h Southwest | Cloudy | |
| 4am | 64°F18°C | 8 mph13 km/h West | Cloudy | |
| 5am | 65°F18°C | 8 mph13 km/h West | Cloudy | |
| 6am | 66°F19°C | 8 mph13 km/h West | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 4 | 61°F16°C | 71°F22°C | 9 mph15 km/h from Southwest | Cloudy | Mostly Cloudy |
| July 5 | 59°F15°C | 69°F21°C | 9 mph15 km/h from West | Rain | Rain |
| July 6 | 55°F13°C | 69°F21°C | 11 mph18 km/h from North | Rain | Mostly Clear |
| July 7 | 52°F11°C | 74°F23°C | 7 mph12 km/h from Northwest | Mostly Clear | Mostly Clear |
| July 8 | 53°F12°C | 77°F25°C | 5 mph8 km/h from Northwest | Mostly Clear | Clear |
| July 9 | 60°F15°C | 83°F28°C | 2 mph3 km/h from Northwest | Mostly Clear | Clear |
| July 10 | 62°F17°C | 83°F28°C | 5 mph8 km/h from Southeast | Mostly Clear | Mostly Clear |
No
Low of 60°F16°C, High of 70°F21°CWind: 9 mph15 km/h
Precipitation: 60% rain