Yes

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

Why? Because it's on the windy side!
61°F16°C & Cloudy

Wind is 9 mph14 km/h from the Southwest, gusting to 20 mph32 km/h
May 23
12pm60°F16°C9 mph15 km/h SouthwestCloudy
1pm59°F15°C9 mph15 km/h SouthwestCloudy
2pm57°F14°C9 mph14 km/h SouthwestDrizzle
3pm55°F13°C7 mph11 km/h SouthwestDrizzle
4pm53°F12°C5 mph9 km/h SouthwestRain
5pm53°F11°C5 mph8 km/h SouthRain
6pm53°F12°C5 mph8 km/h SouthRain
7pm53°F12°C6 mph10 km/h SouthwestDrizzle
8pm53°F12°C7 mph11 km/h SouthwestDrizzle
9pm54°F12°C8 mph13 km/h SouthwestDrizzle
10pm55°F13°C9 mph14 km/h SouthwestDrizzle
11pm55°F13°C9 mph15 km/h SouthwestDrizzle
DateLowHighWindDayNight
May 2243°F6°C62°F17°C5 mph8 km/h from SouthwestDrizzleRain
May 2353°F12°C64°F18°C11 mph18 km/h from SouthwestDrizzleRain
May 2445°F7°C56°F13°C18 mph29 km/h from WestDrizzleDrizzle
May 2545°F7°C55°F13°C15 mph24 km/h from SouthwestRainDrizzle
May 2645°F7°C57°F14°C9 mph15 km/h from SouthwestDrizzleDrizzle
May 2747°F9°C62°F17°C11 mph18 km/h from WestDrizzleDrizzle
May 2848°F9°C61°F16°C9 mph15 km/h from WestDrizzleMostly Cloudy

Yes

Low of 53°F12°C, High of 64°F18°C
Wind: 11 mph18 km/h
Precipitation: 69% rain

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