No
you don't need a jacket based on the weather in Hertford, UK 1 second ago
67°F19°C & Partly Cloudy
Wind is 10 mph16 km/h from the West, gusting to 17 mph28 km/h
| August 29 | ||||
| 11am | 67°F19°C | 10 mph17 km/h West | Partly Cloudy | |
| 12pm | 66°F19°C | 10 mph16 km/h West | Partly Cloudy | |
| 1pm | 65°F18°C | 9 mph14 km/h West | Drizzle | |
| 2pm | 64°F18°C | 8 mph13 km/h West | Partly Cloudy | |
| 3pm | 62°F17°C | 8 mph13 km/h West | Mostly Clear | |
| 4pm | 60°F16°C | 9 mph14 km/h West | Clear | |
| 5pm | 59°F15°C | 9 mph15 km/h West | Clear | |
| 6pm | 59°F15°C | 9 mph14 km/h West | Clear | |
| 7pm | 58°F14°C | 8 mph13 km/h West | Clear | |
| 8pm | 57°F14°C | 7 mph11 km/h West | Clear | |
| 9pm | 56°F13°C | 7 mph11 km/h Southwest | Clear | |
| 10pm | 55°F13°C | 7 mph11 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 28 | 57°F14°C | 67°F19°C | 6 mph10 km/h from West | Rain | Clear |
| August 29 | 54°F12°C | 68°F20°C | 13 mph21 km/h from Southwest | Drizzle | Drizzle |
| August 30 | 55°F13°C | 67°F20°C | 14 mph23 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| August 31 | 56°F13°C | 66°F19°C | 16 mph25 km/h from Southwest | Rain | Mostly Clear |
| September 1 | 54°F12°C | 65°F18°C | 13 mph21 km/h from South | Rain | Rain |
| September 2 | 56°F13°C | 66°F19°C | 14 mph22 km/h from South | Drizzle | Drizzle |
| September 3 | 55°F13°C | 66°F19°C | 13 mph20 km/h from Southwest | Drizzle | Partly Cloudy |
Yes
Low of 55°F13°C, High of 68°F20°CWind: 13 mph21 km/h
Precipitation: 38% rain