Yes
you do need a jacket based on the weather in Hemel Hempstead, UK 1 second ago
Why? Because it's pretty chilly and it's really really huffing out there!
56°F13°C & Windy
Wind is 16 mph26 km/h from the Southwest, gusting to 34 mph54 km/h
| November 4 | ||||
| 12am | 56°F13°C | 17 mph27 km/h Southwest | Windy | |
| 1am | 56°F13°C | 16 mph26 km/h Southwest | Windy | |
| 2am | 56°F13°C | 15 mph25 km/h Southwest | Windy | |
| 3am | 55°F13°C | 15 mph24 km/h Southwest | Cloudy | |
| 4am | 55°F13°C | 14 mph22 km/h South | Cloudy | |
| 5am | 55°F13°C | 14 mph22 km/h South | Cloudy | |
| 6am | 55°F13°C | 13 mph22 km/h South | Cloudy | |
| 7am | 55°F13°C | 14 mph22 km/h South | Cloudy | |
| 8am | 55°F13°C | 14 mph22 km/h South | Cloudy | |
| 9am | 56°F13°C | 14 mph22 km/h South | Cloudy | |
| 10am | 57°F14°C | 14 mph23 km/h South | Cloudy | |
| 11am | 58°F14°C | 15 mph24 km/h South | Cloudy | |
| Date | Low | High | Wind | Day | Night | 
|---|---|---|---|---|---|
| November 3 | 43°F6°C | 59°F15°C | 12 mph20 km/h from Southwest | Cloudy | Cloudy | 
| November 4 | 55°F13°C | 59°F15°C | 14 mph22 km/h from South | Drizzle | Cloudy | 
| November 5 | 55°F13°C | 61°F16°C | 11 mph18 km/h from South | Mostly Cloudy | Mostly Cloudy | 
| November 6 | 55°F13°C | 62°F17°C | 7 mph11 km/h from South | Drizzle | Mostly Cloudy | 
| November 7 | 50°F10°C | 57°F14°C | 7 mph12 km/h from South | Drizzle | Cloudy | 
| November 8 | 47°F8°C | 57°F14°C | 4 mph7 km/h from Southwest | Mostly Cloudy | Partly Cloudy | 
| November 9 | 44°F7°C | 55°F13°C | 6 mph9 km/h from Southwest | Mostly Cloudy | Mostly Cloudy | 
Yes
Low of 55°F13°C, High of 59°F15°CWind: 14 mph22 km/h
Precipitation: 42% rain