Yes

you do need a jacket based on the weather in Portrush, UK 1 second ago

Why? Because sorry, it's too cool for just a hoodie and it's really really huffing out there!
50°F10°C & Windy

Wind is 21 mph33 km/h from the West, gusting to 32 mph51 km/h
May 25
2am51°F10°C20 mph32 km/h WestWindy
3am51°F11°C21 mph33 km/h WestWindy
4am52°F11°C21 mph34 km/h WestWindy
5am52°F11°C21 mph34 km/h WestDrizzle
6am52°F11°C22 mph35 km/h WestDrizzle
7am53°F12°C21 mph34 km/h WestDrizzle
8am54°F12°C21 mph34 km/h WestDrizzle
9am54°F12°C21 mph34 km/h WestDrizzle
10am54°F12°C22 mph35 km/h WestDrizzle
11am54°F12°C22 mph35 km/h WestDrizzle
12pm54°F12°C22 mph35 km/h WestWindy
1pm53°F12°C21 mph34 km/h WestWindy
DateLowHighWindDayNight
May 2449°F9°C55°F13°C21 mph34 km/h from WestDrizzleDrizzle
May 2548°F9°C54°F12°C16 mph26 km/h from SouthwestRainRain
May 2648°F9°C56°F14°C11 mph17 km/h from SouthDrizzleDrizzle
May 2750°F10°C56°F13°C15 mph24 km/h from WestDrizzleRain
May 2849°F9°C57°F14°C15 mph24 km/h from NorthwestRainMostly Cloudy
May 2952°F11°C59°F15°C10 mph16 km/h from SouthDrizzleDrizzle
May 3052°F11°C61°F16°C14 mph22 km/h from SouthwestDrizzleMostly Clear

Yes

Low of 48°F9°C, High of 55°F13°C
Wind: 16 mph26 km/h
Precipitation: 78% rain

Support This Page