Yes
you do need a jacket based on the weather in Portrush, UK 1 second ago
Why? Because it's not very warm out!
53°F11°C & Partly Cloudy
Wind is 1 mph2 km/h from the Southwest, gusting to 2 mph4 km/h
| August 20 | ||||
| 11pm | 53°F11°C | 2 mph4 km/h Southwest | Partly Cloudy | |
| August 21 | ||||
| 12am | 52°F11°C | 3 mph4 km/h Southwest | Mostly Cloudy | |
| 1am | 51°F11°C | 3 mph5 km/h Southwest | Mostly Cloudy | |
| 2am | 52°F11°C | 3 mph5 km/h Southwest | Mostly Cloudy | |
| 3am | 54°F12°C | 3 mph5 km/h South | Cloudy | |
| 4am | 56°F14°C | 3 mph5 km/h South | Mostly Cloudy | |
| 5am | 59°F15°C | 3 mph5 km/h Southwest | Mostly Cloudy | |
| 6am | 60°F16°C | 2 mph4 km/h Southwest | Mostly Cloudy | |
| 7am | 62°F16°C | 2 mph3 km/h West | Mostly Cloudy | |
| 8am | 62°F17°C | 2 mph4 km/h Northwest | Mostly Cloudy | |
| 9am | 63°F17°C | 4 mph6 km/h North | Partly Cloudy | |
| 10am | 63°F17°C | 5 mph9 km/h North | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 20 | 51°F11°C | 63°F17°C | 4 mph7 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| August 21 | 54°F12°C | 61°F16°C | 8 mph13 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| August 22 | 52°F11°C | 67°F19°C | 6 mph9 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| August 23 | 57°F14°C | 68°F20°C | 9 mph15 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| August 24 | 57°F14°C | 70°F21°C | 12 mph20 km/h from Southeast | Mostly Clear | Mostly Clear |
| August 25 | 59°F15°C | 64°F18°C | 19 mph30 km/h from Southeast | Windy | Drizzle |
| August 26 | 56°F13°C | 65°F18°C | 15 mph24 km/h from Southeast | Windy | Partly Cloudy |
Yes
Low of 55°F13°C, High of 61°F16°CWind: 8 mph13 km/h
Precipitation: None