Yes

you do need a jacket based on the weather in Arnfield Rd, Manchester M20 4AR, UK 1 second ago

Why? Because looks like it's raining and it's so windy, your hat will probably launch into orbit!
64°F18°C & Rain

Wind is 12 mph20 km/h from the South, gusting to 27 mph44 km/h
August 27
9am64°F18°C11 mph18 km/h SouthRain
10am65°F18°C13 mph21 km/h SouthDrizzle
11am67°F19°C12 mph19 km/h SouthwestMostly Clear
12pm67°F20°C11 mph18 km/h SouthwestMostly Clear
1pm67°F19°C10 mph16 km/h SouthwestMostly Clear
2pm66°F19°C9 mph14 km/h SouthwestMostly Clear
3pm63°F17°C7 mph11 km/h SouthwestPartly Cloudy
4pm61°F16°C6 mph9 km/h SouthwestPartly Cloudy
5pm60°F15°C5 mph9 km/h SouthPartly Cloudy
6pm59°F15°C6 mph9 km/h SouthMostly Cloudy
7pm58°F14°C6 mph10 km/h SouthMostly Cloudy
8pm57°F14°C7 mph11 km/h SouthMostly Cloudy
DateLowHighWindDayNight
August 2658°F14°C67°F20°C10 mph17 km/h from SouthRainDrizzle
August 2755°F13°C64°F18°C10 mph16 km/h from SouthRainDrizzle
August 2854°F12°C65°F19°C7 mph12 km/h from WestDrizzlePartly Cloudy
August 2955°F13°C66°F19°C12 mph19 km/h from SouthRainRain
August 3055°F13°C65°F18°C15 mph25 km/h from SouthwestDrizzleDrizzle
August 3154°F12°C63°F17°C7 mph11 km/h from SouthwestDrizzleDrizzle
September 151°F10°C64°F18°C7 mph11 km/h from SouthwestPartly CloudyMostly Cloudy

Yes

Low of 55°F13°C, High of 64°F18°C
Wind: 10 mph16 km/h
Precipitation: 62% rain

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