Yes

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

Why? Because it's quite chilly and it's so windy, even the squirrels are holding onto branches for dear life!
43°F6°C & Mostly Clear

Wind is 10 mph16 km/h from the West, gusting to 21 mph33 km/h
October 26
1am43°F6°C10 mph16 km/h NorthwestMostly Clear
2am42°F6°C10 mph17 km/h NorthwestMostly Clear
3am42°F5°C10 mph16 km/h WestClear
4am41°F5°C10 mph16 km/h WestClear
5am41°F5°C10 mph16 km/h WestClear
6am40°F5°C10 mph16 km/h WestClear
7am40°F5°C10 mph16 km/h WestMostly Clear
8am42°F6°C10 mph17 km/h WestMostly Clear
9am45°F7°C11 mph17 km/h WestPartly Cloudy
10am47°F8°C12 mph19 km/h WestMostly Cloudy
11am49°F10°C13 mph20 km/h WestMostly Cloudy
12pm51°F10°C13 mph20 km/h WestMostly Cloudy
DateLowHighWindDayNight
October 2540°F5°C53°F11°C12 mph20 km/h from WestDrizzleDrizzle
October 2747°F8°C56°F13°C14 mph23 km/h from WestPartly CloudyMostly Cloudy
October 2848°F9°C58°F14°C12 mph20 km/h from WestPartly CloudyMostly Cloudy
October 2948°F9°C58°F15°C9 mph15 km/h from SouthwestMostly CloudyMostly Cloudy
October 3049°F10°C59°F15°C9 mph15 km/h from SoutheastCloudyDrizzle
October 3149°F9°C58°F15°C9 mph14 km/h from SouthwestDrizzleDrizzle
November 148°F9°C58°F14°C12 mph19 km/h from SouthMostly CloudyPartly Cloudy

Yes

Low of 47°F9°C, High of 55°F13°C
Wind: 14 mph23 km/h
Precipitation: None

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