Yes
you do need a jacket based on the weather in Hertfordshire, UK 1 second ago
Why? Because it's so gusty, you’re basically doing accidental parkour!
60°F16°C & Mostly Cloudy
Wind is 12 mph19 km/h from the North, gusting to 22 mph36 km/h
| August 21 | ||||
| 5am | 61°F16°C | 12 mph19 km/h North | Mostly Cloudy | |
| 6am | 63°F17°C | 11 mph18 km/h North | Mostly Cloudy | |
| 7am | 64°F18°C | 11 mph18 km/h North | Mostly Cloudy | |
| 8am | 66°F19°C | 10 mph17 km/h Northeast | Partly Cloudy | |
| 9am | 67°F20°C | 10 mph17 km/h North | Partly Cloudy | |
| 10am | 68°F20°C | 10 mph17 km/h North | Partly Cloudy | |
| 11am | 68°F20°C | 11 mph17 km/h North | Partly Cloudy | |
| 12pm | 67°F19°C | 10 mph17 km/h North | Partly Cloudy | |
| 1pm | 65°F19°C | 10 mph16 km/h North | Partly Cloudy | |
| 2pm | 64°F18°C | 9 mph15 km/h Northeast | Mostly Cloudy | |
| 3pm | 62°F17°C | 8 mph13 km/h Northeast | Mostly Cloudy | |
| 4pm | 60°F16°C | 7 mph12 km/h Northeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 20 | 54°F12°C | 68°F20°C | 10 mph16 km/h from North | Mostly Cloudy | Mostly Clear |
| August 21 | 48°F9°C | 71°F22°C | 5 mph8 km/h from West | Mostly Cloudy | Mostly Cloudy |
| August 22 | 55°F13°C | 68°F20°C | 6 mph10 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
| August 23 | 52°F11°C | 71°F22°C | 5 mph9 km/h from East | Mostly Clear | Partly Cloudy |
| August 24 | 52°F11°C | 73°F23°C | 6 mph10 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| August 25 | 56°F13°C | 76°F24°C | 10 mph15 km/h from South | Mostly Cloudy | Mostly Cloudy |
| August 26 | 59°F15°C | 70°F21°C | 8 mph13 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 48°F9°C, High of 71°F22°CWind: 5 mph8 km/h
Precipitation: None