Yes
you do need a jacket based on the weather in Swansea, UK 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
58°F15°C & Cloudy
Wind is 7 mph12 km/h from the West, gusting to 16 mph25 km/h
| September 16 | ||||
| 3pm | 58°F14°C | 7 mph11 km/h West | Drizzle | |
| 4pm | 57°F14°C | 7 mph11 km/h Southwest | Drizzle | |
| 5pm | 57°F14°C | 6 mph10 km/h Southwest | Drizzle | |
| 6pm | 57°F14°C | 8 mph12 km/h Southwest | Rain | |
| 7pm | 56°F14°C | 10 mph16 km/h South | Drizzle | |
| 8pm | 56°F13°C | 13 mph21 km/h South | Rain | |
| 9pm | 56°F14°C | 14 mph22 km/h South | Rain | |
| 10pm | 57°F14°C | 16 mph26 km/h South | Rain | |
| 11pm | 58°F14°C | 16 mph26 km/h South | Rain | |
| September 17 | ||||
| 12am | 59°F15°C | 18 mph29 km/h South | Rain | |
| 1am | 61°F16°C | 21 mph33 km/h Southwest | Rain | |
| 2am | 62°F17°C | 21 mph34 km/h Southwest | Rain | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 55°F13°C | 63°F17°C | 7 mph11 km/h from West | Mostly Cloudy | Rain |
| September 16 | 56°F13°C | 66°F19°C | 17 mph28 km/h from Southwest | Rain | Rain |
| September 17 | 61°F16°C | 67°F19°C | 16 mph25 km/h from Southwest | Drizzle | Drizzle |
| September 18 | 59°F15°C | 66°F19°C | 9 mph14 km/h from South | Rain | Drizzle |
| September 19 | 57°F14°C | 68°F20°C | 8 mph14 km/h from Southeast | Rain | Rain |
| September 20 | 49°F9°C | 59°F15°C | 15 mph25 km/h from Northeast | Rain | Drizzle |
| September 21 | 45°F7°C | 58°F15°C | 13 mph21 km/h from Northeast | Drizzle | Partly Cloudy |
Yes
Low of 56°F14°C, High of 66°F19°CWind: 17 mph28 km/h
Precipitation: 94% rain