Yes

you do need a jacket based on the weather in Cork, Ireland 1 second ago

Why? Because it's raining in your area and just cool enough for a jacket, but not warm enough to ditch it!
52°F11°C & Rain

Wind is 4 mph6 km/h from the Southeast, gusting to 9 mph15 km/h
November 9
6pm52°F11°C4 mph7 km/h SoutheastRain
7pm51°F11°C5 mph8 km/h EastRain
8pm51°F11°C5 mph9 km/h EastRain
9pm51°F10°C6 mph10 km/h SoutheastDrizzle
10pm51°F10°C8 mph13 km/h SouthMostly Cloudy
11pm51°F10°C9 mph14 km/h SouthwestMostly Cloudy
November 10
12am50°F10°C9 mph14 km/h SouthwestMostly Cloudy
1am49°F9°C9 mph14 km/h SouthwestMostly Cloudy
2am48°F9°C8 mph13 km/h SouthwestPartly Cloudy
3am47°F8°C7 mph11 km/h SouthwestPartly Cloudy
4am46°F8°C5 mph9 km/h SouthwestPartly Cloudy
5am45°F7°C4 mph6 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
November 950°F10°C55°F13°C4 mph6 km/h from SouthRainRain
November 1044°F7°C54°F12°C7 mph11 km/h from SouthwestPartly CloudyRain
November 1149°F10°C58°F14°C17 mph27 km/h from SouthRainPartly Cloudy
November 1245°F7°C55°F13°C7 mph11 km/h from EastDrizzleRain
November 1348°F9°C56°F13°C8 mph14 km/h from EastMostly CloudyRain
November 1449°F9°C53°F12°C18 mph29 km/h from NortheastRainDrizzle
November 1547°F8°C53°F11°C14 mph22 km/h from EastCloudyCloudy

Yes

Low of 45°F7°C, High of 54°F12°C
Wind: 7 mph11 km/h
Precipitation: None

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