Yes
you do need a jacket based on the weather in Hertfordshire, UK 1 second ago
Why? Because it's windy enough to give you a brand new hairdo!
59°F15°C & Partly Cloudy
Wind is 14 mph22 km/h from the Northeast, gusting to 25 mph40 km/h
| May 15 | ||||
| 1pm | 59°F15°C | 13 mph22 km/h Northeast | Partly Cloudy | |
| 2pm | 58°F14°C | 12 mph20 km/h Northeast | Partly Cloudy | |
| 3pm | 57°F14°C | 11 mph17 km/h Northeast | Partly Cloudy | |
| 4pm | 55°F13°C | 9 mph14 km/h Northeast | Mostly Clear | |
| 5pm | 52°F11°C | 8 mph12 km/h North | Mostly Clear | |
| 6pm | 50°F10°C | 7 mph12 km/h Northeast | Clear | |
| 7pm | 47°F8°C | 7 mph11 km/h Northeast | Clear | |
| 8pm | 46°F8°C | 7 mph11 km/h North | Clear | |
| 9pm | 44°F7°C | 7 mph11 km/h North | Clear | |
| 10pm | 43°F6°C | 6 mph10 km/h North | Clear | |
| 11pm | 43°F6°C | 6 mph10 km/h North | Mostly Clear | |
| May 16 | ||||
| 12am | 42°F6°C | 6 mph10 km/h North | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 14 | 46°F8°C | 60°F16°C | 9 mph14 km/h from North | Mostly Cloudy | Mostly Clear |
| May 15 | 42°F6°C | 68°F20°C | 11 mph18 km/h from North | Mostly Clear | Partly Cloudy |
| May 16 | 48°F9°C | 67°F19°C | 9 mph14 km/h from North | Partly Cloudy | Mostly Clear |
| May 17 | 46°F8°C | 66°F19°C | 10 mph16 km/h from North | Partly Cloudy | Partly Cloudy |
| May 18 | 46°F8°C | 65°F18°C | 7 mph12 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| May 19 | 47°F8°C | 66°F19°C | 9 mph15 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| May 20 | 46°F8°C | 67°F19°C | 11 mph18 km/h from North | Partly Cloudy | Partly Cloudy |
Yes
Low of 42°F6°C, High of 68°F20°CWind: 11 mph18 km/h
Precipitation: None