No
you don't need a jacket based on the weather in Chesham HP5, UK 1 second ago
65°F18°C & Partly Cloudy
Wind is 7 mph11 km/h from the West, gusting to 14 mph23 km/h
| June 17 | ||||
| 5am | 68°F20°C | 8 mph12 km/h West | Mostly Cloudy | |
| 6am | 71°F22°C | 8 mph14 km/h West | Mostly Cloudy | |
| 7am | 73°F23°C | 9 mph14 km/h West | Mostly Cloudy | |
| 8am | 75°F24°C | 9 mph14 km/h West | Mostly Cloudy | |
| 9am | 77°F25°C | 9 mph14 km/h West | Mostly Cloudy | |
| 10am | 78°F25°C | 9 mph15 km/h West | Mostly Cloudy | |
| 11am | 78°F25°C | 9 mph15 km/h West | Mostly Cloudy | |
| 12pm | 78°F25°C | 10 mph16 km/h West | Partly Cloudy | |
| 1pm | 77°F25°C | 10 mph17 km/h West | Mostly Clear | |
| 2pm | 75°F24°C | 10 mph17 km/h West | Partly Cloudy | |
| 3pm | 72°F22°C | 10 mph15 km/h West | Partly Cloudy | |
| 4pm | 68°F20°C | 8 mph14 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 16 | 54°F12°C | 78°F25°C | 8 mph14 km/h from West | Mostly Cloudy | Partly Cloudy |
| June 17 | 56°F13°C | 78°F25°C | 5 mph9 km/h from Northwest | Mostly Clear | Clear |
| June 18 | 56°F13°C | 79°F26°C | 6 mph10 km/h from East | Clear | Partly Cloudy |
| June 19 | 57°F14°C | 78°F25°C | 10 mph16 km/h from East | Mostly Cloudy | Clear |
| June 20 | 58°F15°C | 83°F28°C | 8 mph13 km/h from Southeast | Mostly Clear | Mostly Clear |
| June 21 | 63°F17°C | 85°F29°C | 9 mph14 km/h from South | Partly Cloudy | Partly Cloudy |
| June 22 | 62°F17°C | 80°F27°C | 6 mph10 km/h from Northwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 55°F13°C, High of 78°F26°CWind: 5 mph9 km/h
Precipitation: None