Yes

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

Why? Because a jacket will keep you cozy, but you won't break a seat!
57°F14°C & Partly Cloudy

Wind is 4 mph7 km/h from the North, gusting to 11 mph17 km/h
September 22
2pm55°F13°C3 mph5 km/h NortheastMostly Clear
3pm53°F12°C3 mph4 km/h NorthMostly Clear
4pm52°F11°C2 mph4 km/h NorthwestMostly Clear
5pm50°F10°C3 mph5 km/h WestMostly Clear
6pm49°F9°C4 mph6 km/h WestMostly Clear
7pm48°F9°C4 mph6 km/h WestPartly Cloudy
8pm47°F8°C4 mph6 km/h WestMostly Clear
9pm46°F8°C4 mph6 km/h WestPartly Cloudy
10pm45°F7°C4 mph6 km/h WestMostly Clear
11pm44°F7°C4 mph6 km/h WestPartly Cloudy
September 23
12am44°F7°C4 mph6 km/h WestPartly Cloudy
1am43°F6°C4 mph6 km/h WestPartly Cloudy
DateLowHighWindDayNight
September 2141°F5°C59°F15°C3 mph5 km/h from NorthMostly ClearPartly Cloudy
September 2243°F6°C60°F16°C4 mph7 km/h from EastPartly CloudyPartly Cloudy
September 2345°F7°C62°F16°C5 mph8 km/h from SouthMostly CloudyPartly Cloudy
September 2447°F9°C61°F16°C8 mph13 km/h from SoutheastMostly ClearPartly Cloudy
September 2551°F11°C61°F16°C13 mph21 km/h from SoutheastMostly CloudyRain
September 2649°F9°C61°F16°C10 mph16 km/h from WestPartly CloudyMostly Clear
September 2747°F8°C61°F16°C4 mph7 km/h from WestMostly ClearPartly Cloudy

Yes

Low of 43°F6°C, High of 60°F16°C
Wind: 4 mph7 km/h
Precipitation: None

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