Yes
you do need a jacket based on the weather in Eton, Windsor SL4, UK 1 second ago
Why? Because it's quite chilly!
44°F7°C & Mostly Cloudy
Wind is 2 mph4 km/h from the West, gusting to 4 mph6 km/h
| January 15 | ||||
| 12am | 44°F7°C | 3 mph4 km/h West | Mostly Cloudy | |
| 1am | 44°F7°C | 2 mph3 km/h West | Cloudy | |
| 2am | 44°F7°C | 2 mph3 km/h West | Cloudy | |
| 3am | 44°F7°C | 3 mph4 km/h West | Cloudy | |
| 4am | 44°F7°C | 3 mph5 km/h West | Cloudy | |
| 5am | 45°F7°C | 3 mph5 km/h West | Cloudy | |
| 6am | 46°F8°C | 3 mph5 km/h West | Cloudy | |
| 7am | 47°F8°C | 3 mph6 km/h West | Cloudy | |
| 8am | 48°F9°C | 4 mph6 km/h West | Cloudy | |
| 9am | 48°F9°C | 3 mph4 km/h West | Cloudy | |
| 10am | 48°F9°C | 2 mph3 km/h West | Mostly Cloudy | |
| 11am | 47°F9°C | 2 mph3 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 14 | 41°F5°C | 48°F9°C | 3 mph4 km/h from West | Mostly Cloudy | Mostly Cloudy |
| January 15 | 39°F4°C | 47°F8°C | 4 mph6 km/h from South | Mostly Cloudy | Partly Cloudy |
| January 16 | 35°F2°C | 44°F7°C | 4 mph6 km/h from South | Partly Cloudy | Partly Cloudy |
| January 17 | 34°F1°C | 39°F4°C | 4 mph6 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| January 18 | 34°F1°C | 41°F5°C | 4 mph7 km/h from South | Mostly Cloudy | Mostly Cloudy |
| January 19 | 39°F4°C | 46°F8°C | 6 mph10 km/h from South | Drizzle | Mostly Cloudy |
| January 20 | 37°F3°C | 42°F6°C | 5 mph8 km/h from South | Cloudy | Mostly Cloudy |
Yes
Low of 38°F4°C, High of 47°F9°CWind: 4 mph6 km/h
Precipitation: None