Yes
you do need a jacket based on the weather in Watford, UK 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet and it's fairly windy outside!
44°F7°C & Clear
Wind is 11 mph17 km/h from the East, gusting to 22 mph35 km/h
| March 18 | ||||
| 6am | 45°F7°C | 11 mph18 km/h East | Clear | |
| 7am | 48°F9°C | 12 mph20 km/h East | Clear | |
| 8am | 49°F10°C | 12 mph20 km/h East | Clear | |
| 9am | 50°F10°C | 12 mph19 km/h East | Clear | |
| 10am | 51°F10°C | 11 mph18 km/h East | Clear | |
| 11am | 51°F10°C | 11 mph18 km/h East | Clear | |
| 12pm | 49°F10°C | 12 mph19 km/h East | Clear | |
| 1pm | 47°F8°C | 11 mph18 km/h East | Clear | |
| 2pm | 45°F7°C | 10 mph17 km/h East | Clear | |
| 3pm | 43°F6°C | 9 mph14 km/h East | Clear | |
| 4pm | 41°F5°C | 7 mph11 km/h East | Clear | |
| 5pm | 40°F4°C | 6 mph10 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 17 | 34°F1°C | 51°F10°C | 10 mph17 km/h from East | Clear | Clear |
| March 18 | 35°F2°C | 59°F15°C | 6 mph9 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| March 19 | 42°F5°C | 63°F17°C | 5 mph8 km/h from Southeast | Mostly Clear | Partly Cloudy |
| March 20 | 47°F8°C | 61°F16°C | 10 mph16 km/h from Southeast | Cloudy | Drizzle |
| March 21 | 47°F8°C | 57°F14°C | 9 mph15 km/h from Southeast | Drizzle | Rain |
| March 22 | 43°F6°C | 53°F11°C | 6 mph10 km/h from South | Drizzle | Mostly Cloudy |
| March 23 | 40°F5°C | 51°F11°C | 8 mph14 km/h from North | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 36°F2°C, High of 59°F15°CWind: 6 mph9 km/h
Precipitation: None