Yes
you do need a jacket based on the weather in Watford, UK 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
57°F14°C & Mostly Clear
Wind is 8 mph13 km/h from the Southwest, gusting to 17 mph27 km/h
| September 13 | ||||
| 3pm | 56°F13°C | 8 mph12 km/h Southwest | Mostly Clear | |
| 4pm | 54°F12°C | 7 mph12 km/h Southwest | Partly Cloudy | |
| 5pm | 53°F12°C | 8 mph12 km/h Southwest | Partly Cloudy | |
| 6pm | 52°F11°C | 7 mph11 km/h Southwest | Clear | |
| 7pm | 51°F11°C | 7 mph10 km/h Southwest | Clear | |
| 8pm | 50°F10°C | 6 mph10 km/h Southwest | Clear | |
| 9pm | 50°F10°C | 6 mph10 km/h Southwest | Clear | |
| 10pm | 49°F9°C | 5 mph9 km/h Southwest | Clear | |
| 11pm | 48°F9°C | 5 mph8 km/h Southwest | Mostly Clear | |
| September 14 | ||||
| 12am | 48°F9°C | 5 mph7 km/h Southwest | Partly Cloudy | |
| 1am | 47°F9°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 2am | 47°F8°C | 3 mph5 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 12 | 51°F10°C | 63°F17°C | 7 mph12 km/h from Southwest | Rain | Mostly Clear |
| September 13 | 47°F8°C | 64°F18°C | 9 mph15 km/h from South | Rain | Rain |
| September 14 | 54°F12°C | 63°F17°C | 21 mph33 km/h from Southwest | Windy | Windy |
| September 15 | 51°F10°C | 62°F17°C | 13 mph21 km/h from West | Mostly Cloudy | Rain |
| September 16 | 53°F12°C | 68°F20°C | 15 mph24 km/h from Southwest | Rain | Cloudy |
| September 17 | 56°F13°C | 68°F20°C | 11 mph17 km/h from Southwest | Drizzle | Partly Cloudy |
| September 18 | 51°F11°C | 66°F19°C | 7 mph11 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 47°F9°C, High of 64°F18°CWind: 9 mph15 km/h
Precipitation: 76% rain