Yes

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

Why? Because it's pretty chilly!
58°F14°C & Partly Cloudy

Wind is 7 mph11 km/h from the Northwest, gusting to 14 mph23 km/h
August 2
4am59°F15°C7 mph12 km/h NorthwestPartly Cloudy
5am62°F17°C8 mph12 km/h NorthwestPartly Cloudy
6am64°F18°C8 mph12 km/h NorthwestPartly Cloudy
7am65°F19°C7 mph12 km/h NorthwestMostly Cloudy
8am67°F19°C7 mph11 km/h NorthwestMostly Cloudy
9am68°F20°C7 mph11 km/h NorthwestMostly Cloudy
10am68°F20°C7 mph11 km/h NorthwestMostly Cloudy
11am69°F20°C7 mph12 km/h NorthwestPartly Cloudy
12pm69°F21°C7 mph11 km/h NorthwestMostly Cloudy
1pm68°F20°C7 mph11 km/h NorthwestPartly Cloudy
2pm67°F20°C5 mph9 km/h WestPartly Cloudy
3pm66°F19°C4 mph7 km/h WestMostly Clear
DateLowHighWindDayNight
August 151°F11°C69°F21°C7 mph11 km/h from NorthwestPartly CloudyMostly Clear
August 253°F12°C72°F22°C10 mph16 km/h from WestCloudyMostly Cloudy
August 360°F15°C72°F22°C14 mph23 km/h from SouthwestCloudyMostly Clear
August 453°F12°C71°F21°C13 mph20 km/h from NorthwestMostly ClearMostly Clear
August 552°F11°C71°F21°C4 mph7 km/h from SouthwestPartly CloudyCloudy
August 657°F14°C72°F22°C10 mph17 km/h from SouthMostly CloudyMostly Cloudy
August 758°F14°C73°F23°C11 mph18 km/h from WestPartly CloudyPartly Cloudy

Yes

Low of 54°F12°C, High of 73°F23°C
Wind: 10 mph16 km/h
Precipitation: 20% rain

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