Yes
you do need a jacket based on the weather in Hertford, UK 1 second ago
Why? Because a jacket will keep you cozy, but you won't break a seat and it's so windy, your hat will probably launch into orbit!
50°F10°C & Cloudy
Wind is 12 mph20 km/h from the West, gusting to 25 mph41 km/h
| December 15 | ||||
| 5pm | 50°F10°C | 13 mph21 km/h West | Cloudy | |
| 6pm | 50°F10°C | 13 mph21 km/h West | Cloudy | |
| 7pm | 50°F10°C | 13 mph21 km/h West | Cloudy | |
| 8pm | 49°F10°C | 14 mph22 km/h West | Cloudy | |
| 9pm | 49°F10°C | 13 mph22 km/h West | Mostly Cloudy | |
| 10pm | 49°F9°C | 13 mph22 km/h Southwest | Mostly Cloudy | |
| 11pm | 48°F9°C | 14 mph22 km/h Southwest | Mostly Cloudy | |
| December 16 | ||||
| 12am | 48°F9°C | 14 mph22 km/h West | Cloudy | |
| 1am | 48°F9°C | 13 mph21 km/h West | Cloudy | |
| 2am | 48°F9°C | 12 mph20 km/h Southwest | Mostly Cloudy | |
| 3am | 47°F8°C | 12 mph20 km/h Southwest | Mostly Cloudy | |
| 4am | 48°F9°C | 12 mph20 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 14 | 40°F4°C | 54°F12°C | 7 mph11 km/h from West | Cloudy | Cloudy |
| December 15 | 44°F7°C | 51°F10°C | 12 mph19 km/h from Southwest | Cloudy | Partly Cloudy |
| December 16 | 42°F6°C | 49°F9°C | 11 mph17 km/h from South | Cloudy | Drizzle |
| December 17 | 49°F9°C | 55°F13°C | 16 mph26 km/h from Southwest | Drizzle | Rain |
| December 18 | 37°F3°C | 53°F11°C | 15 mph24 km/h from Northwest | Windy | Clear |
| December 19 | 35°F2°C | 43°F6°C | 9 mph15 km/h from Southwest | Partly Cloudy | Drizzle |
| December 20 | 38°F3°C | 48°F9°C | 12 mph19 km/h from Southwest | Mostly Cloudy | Windy |
Yes
Low of 45°F7°C, High of 51°F11°CWind: 12 mph19 km/h
Precipitation: None