No
you don't need a jacket based on the weather in Great Portland St, London W1W 5QZ, UK 1 second ago
81°F27°C & Mostly Clear
Wind is 4 mph7 km/h from the Southeast, gusting to 12 mph19 km/h
| August 11 | ||||
| 8am | 82°F28°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 9am | 83°F28°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 10am | 83°F28°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 11am | 83°F28°C | 6 mph9 km/h Southeast | Cloudy | |
| 12pm | 82°F28°C | 7 mph12 km/h East | Cloudy | |
| 1pm | 81°F27°C | 8 mph13 km/h East | Cloudy | |
| 2pm | 79°F26°C | 9 mph14 km/h East | Cloudy | |
| 3pm | 76°F25°C | 8 mph13 km/h East | Cloudy | |
| 4pm | 74°F23°C | 8 mph12 km/h East | Cloudy | |
| 5pm | 72°F22°C | 7 mph12 km/h East | Cloudy | |
| 6pm | 70°F21°C | 6 mph9 km/h East | Cloudy | |
| 7pm | 69°F21°C | 6 mph9 km/h East | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 10 | 60°F15°C | 83°F28°C | 4 mph7 km/h from East | Partly Cloudy | Mostly Cloudy |
| August 11 | 66°F19°C | 87°F31°C | 7 mph12 km/h from East | Mostly Clear | Mostly Clear |
| August 12 | 65°F18°C | 82°F28°C | 7 mph11 km/h from South | Cloudy | Partly Cloudy |
| August 13 | 63°F17°C | 80°F27°C | 7 mph11 km/h from West | Partly Cloudy | Mostly Clear |
| August 14 | 64°F18°C | 83°F28°C | 5 mph7 km/h from North | Mostly Clear | Partly Cloudy |
| August 15 | 63°F17°C | 80°F26°C | 8 mph13 km/h from Northeast | Mostly Clear | Mostly Clear |
| August 16 | 61°F16°C | 78°F26°C | 8 mph13 km/h from East | Mostly Clear | Mostly Clear |
No
Low of 66°F19°C, High of 87°F31°CWind: 7 mph12 km/h
Precipitation: None