Yes
you do need a jacket based on the weather in Tintern, Chepstow NP16, UK 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
56°F14°C & Partly Cloudy
Wind is 7 mph12 km/h from the North, gusting to 15 mph24 km/h
| August 21 | ||||
| 4am | 58°F14°C | 8 mph13 km/h North | Mostly Clear | |
| 5am | 60°F16°C | 9 mph14 km/h North | Partly Cloudy | |
| 6am | 62°F17°C | 8 mph14 km/h Northeast | Partly Cloudy | |
| 7am | 64°F18°C | 8 mph13 km/h Northeast | Partly Cloudy | |
| 8am | 66°F19°C | 8 mph12 km/h Northeast | Partly Cloudy | |
| 9am | 68°F20°C | 7 mph12 km/h North | Mostly Clear | |
| 10am | 69°F21°C | 7 mph11 km/h North | Mostly Clear | |
| 11am | 69°F21°C | 6 mph10 km/h North | Partly Cloudy | |
| 12pm | 69°F21°C | 6 mph10 km/h North | Mostly Cloudy | |
| 1pm | 69°F21°C | 6 mph9 km/h North | Partly Cloudy | |
| 2pm | 68°F20°C | 5 mph8 km/h North | Partly Cloudy | |
| 3pm | 65°F18°C | 4 mph7 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 20 | 53°F12°C | 69°F21°C | 7 mph11 km/h from North | Partly Cloudy | Mostly Clear |
| August 21 | 49°F9°C | 73°F23°C | 4 mph7 km/h from West | Partly Cloudy | Mostly Cloudy |
| August 22 | 53°F12°C | 71°F21°C | 4 mph6 km/h from Northeast | Cloudy | Mostly Cloudy |
| August 23 | 55°F13°C | 72°F22°C | 6 mph10 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| August 24 | 53°F12°C | 75°F24°C | 8 mph13 km/h from Southeast | Mostly Clear | Mostly Clear |
| August 25 | 54°F12°C | 75°F24°C | 11 mph17 km/h from South | Mostly Cloudy | Drizzle |
| August 26 | 57°F14°C | 71°F22°C | 10 mph16 km/h from Southwest | Mostly Cloudy | Rain |
Yes
Low of 48°F9°C, High of 73°F23°CWind: 4 mph7 km/h
Precipitation: None