Yes
you do need a jacket based on the weather in Hemel Hempstead, UK 1 second ago
Why? Because it's really really huffing out there!
67°F19°C & Windy
Wind is 19 mph30 km/h from the Southwest, gusting to 39 mph63 km/h
| September 3 | ||||
| 9am | 67°F19°C | 19 mph30 km/h Southwest | Drizzle | |
| 10am | 66°F19°C | 18 mph29 km/h Southwest | Drizzle | |
| 11am | 66°F19°C | 17 mph27 km/h Southwest | Drizzle | |
| 12pm | 66°F19°C | 15 mph23 km/h Southwest | Drizzle | |
| 1pm | 65°F18°C | 14 mph22 km/h Southwest | Partly Cloudy | |
| 2pm | 63°F17°C | 14 mph23 km/h Southwest | Partly Cloudy | |
| 3pm | 62°F17°C | 13 mph20 km/h Southwest | Partly Cloudy | |
| 4pm | 61°F16°C | 13 mph21 km/h Southwest | Partly Cloudy | |
| 5pm | 60°F16°C | 13 mph20 km/h Southwest | Partly Cloudy | |
| 6pm | 59°F15°C | 12 mph19 km/h Southwest | Partly Cloudy | |
| 7pm | 58°F15°C | 11 mph18 km/h Southwest | Partly Cloudy | |
| 8pm | 57°F14°C | 11 mph17 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 2 | 58°F15°C | 67°F20°C | 15 mph24 km/h from Southwest | Rain | Drizzle |
| September 3 | 54°F12°C | 64°F18°C | 11 mph18 km/h from Southwest | Rain | Clear |
| September 4 | 51°F11°C | 68°F20°C | 7 mph11 km/h from West | Mostly Clear | Mostly Cloudy |
| September 5 | 52°F11°C | 70°F21°C | 10 mph15 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| September 6 | 60°F15°C | 68°F20°C | 9 mph15 km/h from South | Rain | Drizzle |
| September 7 | 55°F13°C | 65°F18°C | 13 mph21 km/h from South | Drizzle | Drizzle |
| September 8 | 56°F13°C | 65°F18°C | 12 mph19 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 54°F12°C, High of 64°F18°CWind: 11 mph18 km/h
Precipitation: 75% rain