Yes

you do need a jacket based on the weather in Musselburgh EH21, UK 1 second ago

Why? Because too cold for just a hoodie, too warm for a parka and it's so windy, your hat will probably launch into orbit!
46°F8°C & Cloudy

Wind is 14 mph22 km/h from the Southwest, gusting to 26 mph42 km/h
November 2
10pm46°F8°C14 mph23 km/h SouthwestCloudy
11pm48°F9°C15 mph24 km/h SouthwestCloudy
November 3
12am48°F9°C15 mph24 km/h SouthCloudy
1am49°F10°C16 mph26 km/h SouthWindy
2am50°F10°C16 mph26 km/h SouthWindy
3am51°F11°C15 mph25 km/h SouthDrizzle
4am52°F11°C15 mph25 km/h SouthDrizzle
5am53°F12°C17 mph28 km/h SouthwestDrizzle
6am54°F12°C18 mph29 km/h SouthwestDrizzle
7am54°F12°C20 mph31 km/h SouthwestDrizzle
8am55°F13°C21 mph34 km/h SouthwestWindy
9am56°F13°C21 mph34 km/h SouthwestWindy
DateLowHighWindDayNight
November 240°F4°C51°F11°C10 mph17 km/h from SouthwestPartly CloudyDrizzle
November 348°F9°C59°F15°C22 mph35 km/h from SouthwestDrizzleDrizzle
November 453°F11°C58°F14°C10 mph17 km/h from SouthRainDrizzle
November 552°F11°C57°F14°C4 mph7 km/h from EastRainRain
November 648°F9°C58°F15°C8 mph13 km/h from SouthRainPartly Cloudy
November 747°F9°C55°F13°C12 mph20 km/h from SouthMostly CloudyMostly Cloudy
November 848°F9°C54°F12°C10 mph16 km/h from SouthwestPartly CloudyMostly Cloudy

Yes

Low of 48°F9°C, High of 59°F15°C
Wind: 22 mph35 km/h
Precipitation: 83% rain

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