No
you don't need a jacket based on the weather in Harrow, UK 1 second ago
64°F18°C & Mostly Cloudy
Wind is 8 mph13 km/h from the West, gusting to 17 mph27 km/h
| July 22 | ||||
| 4am | 64°F18°C | 8 mph13 km/h West | Mostly Cloudy | |
| 5am | 66°F19°C | 8 mph13 km/h West | Cloudy | |
| 6am | 68°F20°C | 8 mph12 km/h West | Mostly Cloudy | |
| 7am | 68°F20°C | 8 mph13 km/h West | Mostly Cloudy | |
| 8am | 69°F21°C | 8 mph13 km/h West | Drizzle | |
| 9am | 70°F21°C | 8 mph13 km/h West | Drizzle | |
| 10am | 70°F21°C | 8 mph12 km/h West | Drizzle | |
| 11am | 71°F22°C | 7 mph12 km/h West | Mostly Cloudy | |
| 12pm | 72°F22°C | 7 mph12 km/h West | Mostly Cloudy | |
| 1pm | 71°F22°C | 7 mph11 km/h West | Mostly Cloudy | |
| 2pm | 70°F21°C | 6 mph10 km/h West | Mostly Cloudy | |
| 3pm | 68°F20°C | 5 mph9 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 21 | 59°F15°C | 72°F22°C | 8 mph12 km/h from West | Drizzle | Drizzle |
| July 22 | 58°F15°C | 72°F22°C | 6 mph10 km/h from Northwest | Drizzle | Partly Cloudy |
| July 23 | 59°F15°C | 73°F23°C | 8 mph13 km/h from North | Mostly Cloudy | Partly Cloudy |
| July 24 | 59°F15°C | 78°F26°C | 5 mph8 km/h from West | Partly Cloudy | Mostly Clear |
| July 25 | 60°F16°C | 75°F24°C | 6 mph9 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| July 26 | 58°F15°C | 72°F22°C | 6 mph10 km/h from West | Drizzle | Mostly Cloudy |
| July 27 | 58°F15°C | 76°F24°C | 7 mph12 km/h from West | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 58°F15°C, High of 73°F23°CWind: 6 mph10 km/h
Precipitation: 32% rain