Yes

you do need a jacket based on the weather in 41 Lothian St, Edinburgh EH1 1HB, UK 2 minutes ago

Why? Because it's drizzling and just cool enough for a jacket, but not warm enough to ditch it!
58°F14°C & Drizzle

Wind is 7 mph12 km/h from the West, gusting to 14 mph22 km/h
September 3
2pm57°F14°C8 mph13 km/h WestCloudy
3pm57°F14°C9 mph15 km/h WestCloudy
4pm56°F14°C10 mph17 km/h WestMostly Cloudy
5pm55°F13°C11 mph18 km/h WestPartly Cloudy
6pm55°F13°C11 mph18 km/h SouthwestPartly Cloudy
7pm54°F12°C12 mph19 km/h SouthwestPartly Cloudy
8pm53°F12°C11 mph18 km/h SouthwestMostly Clear
9pm53°F12°C11 mph17 km/h SouthwestMostly Clear
10pm53°F11°C10 mph16 km/h SouthwestPartly Cloudy
11pm53°F11°C9 mph15 km/h SouthwestPartly Cloudy
September 4
12am52°F11°C9 mph15 km/h SouthwestPartly Cloudy
1am52°F11°C9 mph14 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
September 253°F11°C59°F15°C3 mph5 km/h from NorthwestRainPartly Cloudy
September 352°F11°C62°F17°C9 mph15 km/h from SouthwestRainMostly Clear
September 452°F11°C62°F17°C12 mph19 km/h from SouthwestPartly CloudyMostly Cloudy
September 553°F12°C66°F19°C9 mph14 km/h from SouthMostly CloudyCloudy
September 657°F14°C65°F18°C13 mph21 km/h from SoutheastDrizzleDrizzle
September 753°F12°C63°F17°C11 mph17 km/h from SouthDrizzleDrizzle
September 853°F12°C60°F16°C13 mph21 km/h from SouthDrizzleRain

Yes

Low of 52°F11°C, High of 63°F17°C
Wind: 9 mph15 km/h
Precipitation: 31% rain

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