No
you don't need a jacket based on the weather in Hemel Hempstead, UK 1 second ago
60°F16°C & Cloudy
Wind is 7 mph12 km/h from the West, gusting to 14 mph23 km/h
| July 6 | ||||
| 3am | 62°F16°C | 8 mph13 km/h West | Cloudy | |
| 4am | 64°F18°C | 8 mph13 km/h West | Cloudy | |
| 5am | 65°F18°C | 8 mph13 km/h West | Cloudy | |
| 6am | 66°F19°C | 8 mph13 km/h West | Cloudy | |
| 7am | 66°F19°C | 7 mph12 km/h West | Cloudy | |
| 8am | 66°F19°C | 8 mph13 km/h West | Rain | |
| 9am | 67°F19°C | 9 mph14 km/h Northwest | Drizzle | |
| 10am | 68°F20°C | 10 mph17 km/h Northwest | Partly Cloudy | |
| 11am | 68°F20°C | 11 mph18 km/h Northwest | Partly Cloudy | |
| 12pm | 68°F20°C | 12 mph20 km/h Northwest | Partly Cloudy | |
| 1pm | 69°F20°C | 12 mph20 km/h Northwest | Partly Cloudy | |
| 2pm | 67°F20°C | 12 mph19 km/h Northwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 5 | 58°F14°C | 69°F20°C | 9 mph15 km/h from Northwest | Rain | Rain |
| July 6 | 54°F12°C | 69°F20°C | 13 mph21 km/h from North | Drizzle | Mostly Clear |
| July 7 | 51°F11°C | 71°F22°C | 9 mph14 km/h from Northwest | Mostly Clear | Mostly Clear |
| July 8 | 53°F11°C | 76°F24°C | 6 mph10 km/h from Northwest | Partly Cloudy | Mostly Clear |
| July 9 | 58°F14°C | 81°F27°C | 2 mph4 km/h from North | Mostly Clear | Clear |
| July 10 | 59°F15°C | 82°F28°C | 5 mph8 km/h from East | Mostly Clear | Mostly Clear |
| July 11 | 60°F16°C | 81°F27°C | 8 mph12 km/h from East | Partly Cloudy | Clear |
Yes
Low of 54°F12°C, High of 69°F21°CWind: 13 mph21 km/h
Precipitation: 51% rain