Yes
you do need a jacket based on the weather in Welwyn Garden City, UK 1 second ago
Why? Because it's so windy, you’re practically horizontal just trying to walk!
70°F21°C & Windy
Wind is 16 mph25 km/h from the Southwest, gusting to 27 mph44 km/h
| September 18 | ||||
| 11am | 70°F21°C | 16 mph25 km/h Southwest | Windy | |
| 12pm | 69°F21°C | 15 mph23 km/h Southwest | Mostly Cloudy | |
| 1pm | 68°F20°C | 13 mph22 km/h Southwest | Mostly Cloudy | |
| 2pm | 66°F19°C | 13 mph21 km/h Southwest | Mostly Cloudy | |
| 3pm | 65°F18°C | 12 mph20 km/h Southwest | Mostly Cloudy | |
| 4pm | 64°F18°C | 12 mph19 km/h Southwest | Mostly Cloudy | |
| 5pm | 63°F17°C | 12 mph19 km/h Southwest | Mostly Cloudy | |
| 6pm | 63°F17°C | 11 mph18 km/h Southwest | Mostly Cloudy | |
| 7pm | 62°F17°C | 11 mph17 km/h Southwest | Mostly Cloudy | |
| 8pm | 62°F17°C | 10 mph17 km/h Southwest | Mostly Cloudy | |
| 9pm | 61°F16°C | 10 mph16 km/h Southwest | Mostly Cloudy | |
| 10pm | 61°F16°C | 9 mph14 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 62°F17°C | 70°F21°C | 11 mph17 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 18 | 60°F16°C | 76°F25°C | 10 mph15 km/h from South | Partly Cloudy | Partly Cloudy |
| September 19 | 54°F12°C | 70°F21°C | 12 mph19 km/h from South | Drizzle | Windy |
| September 20 | 50°F10°C | 58°F15°C | 12 mph20 km/h from Northwest | Drizzle | Mostly Cloudy |
| September 21 | 45°F7°C | 58°F14°C | 13 mph20 km/h from North | Drizzle | Clear |
| September 22 | 40°F5°C | 58°F15°C | 9 mph14 km/h from North | Partly Cloudy | Partly Cloudy |
| September 23 | 45°F7°C | 60°F16°C | 9 mph15 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
No
Low of 60°F16°C, High of 76°F25°CWind: 10 mph15 km/h
Precipitation: None