Yes
you do need a jacket based on the weather in (Streatham), England, United Kingdom 1 second ago
Why? Because it's not very warm out and it's so windy, your hat is now someone else's problem, two cities away!
54°F12°C & Mostly Clear
Wind is 12 mph19 km/h from the West, gusting to 25 mph41 km/h
| September 16 | ||||
| 1am | 54°F12°C | 12 mph19 km/h West | Mostly Clear | |
| 2am | 54°F12°C | 12 mph19 km/h West | Mostly Clear | |
| 3am | 55°F13°C | 12 mph20 km/h West | Mostly Clear | |
| 4am | 57°F14°C | 13 mph21 km/h West | Mostly Clear | |
| 5am | 59°F15°C | 14 mph23 km/h West | Mostly Clear | |
| 6am | 61°F16°C | 14 mph23 km/h West | Partly Cloudy | |
| 7am | 63°F17°C | 14 mph22 km/h West | Mostly Cloudy | |
| 8am | 64°F18°C | 13 mph21 km/h West | Cloudy | |
| 9am | 65°F18°C | 13 mph21 km/h West | Cloudy | |
| 10am | 66°F19°C | 13 mph20 km/h West | Cloudy | |
| 11am | 66°F19°C | 12 mph20 km/h West | Cloudy | |
| 12pm | 65°F18°C | 12 mph19 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 54°F12°C | 66°F19°C | 13 mph20 km/h from West | Mostly Cloudy | Drizzle |
| September 16 | 54°F12°C | 67°F19°C | 13 mph22 km/h from Southwest | Drizzle | Cloudy |
| September 17 | 62°F17°C | 72°F22°C | 13 mph21 km/h from Southwest | Mostly Cloudy | Cloudy |
| September 18 | 60°F16°C | 74°F23°C | 7 mph11 km/h from South | Partly Cloudy | Partly Cloudy |
| September 19 | 58°F14°C | 69°F21°C | 7 mph11 km/h from Southwest | Drizzle | Drizzle |
| September 20 | 51°F11°C | 61°F16°C | 6 mph10 km/h from Southwest | Drizzle | Partly Cloudy |
| September 21 | 47°F8°C | 62°F17°C | 9 mph14 km/h from North | Drizzle | Mostly Cloudy |
Yes
Low of 55°F13°C, High of 67°F20°CWind: 13 mph22 km/h
Precipitation: 74% rain