Yes
you do need a jacket based on the weather in Heath Lane, Hemel Hempstead, Herts HP1 1TX, UK 1 second ago
Why? Because the wind is harsh and biting!
60°F15°C & Partly Cloudy
Wind is 12 mph19 km/h from the North, gusting to 22 mph36 km/h
| September 22 | ||||
| 10am | 60°F15°C | 12 mph19 km/h North | Partly Cloudy | |
| 11am | 59°F15°C | 11 mph17 km/h North | Partly Cloudy | |
| 12pm | 58°F14°C | 11 mph18 km/h Northeast | Partly Cloudy | |
| 1pm | 57°F14°C | 9 mph14 km/h North | Mostly Clear | |
| 2pm | 54°F12°C | 6 mph10 km/h North | Clear | |
| 3pm | 51°F10°C | 5 mph9 km/h North | Clear | |
| 4pm | 48°F9°C | 5 mph8 km/h North | Clear | |
| 5pm | 46°F8°C | 4 mph7 km/h North | Clear | |
| 6pm | 45°F7°C | 3 mph5 km/h North | Clear | |
| 7pm | 44°F7°C | 3 mph5 km/h North | Clear | |
| 8pm | 43°F6°C | 3 mph5 km/h North | Clear | |
| 9pm | 42°F5°C | 4 mph6 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 21 | 42°F6°C | 60°F15°C | 9 mph14 km/h from North | Mostly Clear | Clear |
| September 22 | 40°F5°C | 61°F16°C | 9 mph15 km/h from Northeast | Partly Cloudy | Mostly Clear |
| September 23 | 46°F8°C | 63°F17°C | 10 mph16 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| September 24 | 46°F8°C | 63°F17°C | 11 mph18 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| September 25 | 46°F8°C | 61°F16°C | 6 mph10 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 26 | 49°F10°C | 61°F16°C | 8 mph12 km/h from South | Rain | Drizzle |
| September 27 | 52°F11°C | 61°F16°C | 7 mph11 km/h from North | Mostly Cloudy | Partly Cloudy |
Yes
Low of 40°F5°C, High of 62°F17°CWind: 9 mph15 km/h
Precipitation: None