Yes
you do need a jacket based on the weather in Old Windsor SL4, UK 9 minutes ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it and the wind is offering free, unsolicited face massages!
55°F13°C & Mostly Clear
Wind is 12 mph20 km/h from the West, gusting to 24 mph38 km/h
| September 16 | ||||
| 4am | 56°F13°C | 13 mph21 km/h West | Mostly Clear | |
| 5am | 59°F15°C | 15 mph24 km/h West | Mostly Clear | |
| 6am | 61°F16°C | 15 mph24 km/h West | Partly Cloudy | |
| 7am | 62°F17°C | 14 mph23 km/h West | Mostly Cloudy | |
| 8am | 64°F18°C | 14 mph23 km/h West | Cloudy | |
| 9am | 65°F18°C | 14 mph23 km/h West | Cloudy | |
| 10am | 65°F18°C | 14 mph22 km/h West | Mostly Cloudy | |
| 11am | 65°F18°C | 14 mph22 km/h West | Mostly Cloudy | |
| 12pm | 64°F18°C | 12 mph20 km/h West | Mostly Cloudy | |
| 1pm | 62°F17°C | 11 mph18 km/h West | Cloudy | |
| 2pm | 60°F16°C | 9 mph15 km/h West | Mostly Cloudy | |
| 3pm | 59°F15°C | 8 mph13 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 53°F11°C | 65°F18°C | 13 mph21 km/h from West | Mostly Cloudy | Rain |
| September 16 | 54°F12°C | 66°F19°C | 14 mph23 km/h from Southwest | Drizzle | Cloudy |
| September 17 | 62°F16°C | 71°F22°C | 13 mph21 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 18 | 59°F15°C | 75°F24°C | 7 mph11 km/h from South | Partly Cloudy | Partly Cloudy |
| September 19 | 57°F14°C | 70°F21°C | 8 mph12 km/h from Southwest | Cloudy | Rain |
| September 20 | 51°F11°C | 61°F16°C | 9 mph14 km/h from Northeast | Rain | Mostly Cloudy |
| September 21 | 48°F9°C | 62°F17°C | 12 mph19 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 54°F12°C, High of 66°F19°CWind: 14 mph23 km/h
Precipitation: 83% rain