Yes

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

Why? Because the air feels like the cozy middle ground between summer and winter!
52°F11°C & Clear

Wind is 3 mph5 km/h from the Northwest, gusting to 6 mph9 km/h
July 3
1am52°F11°C3 mph5 km/h NorthwestClear
2am55°F13°C2 mph4 km/h NorthwestClear
3am59°F15°C3 mph5 km/h NorthwestClear
4am63°F17°C3 mph5 km/h NorthwestClear
5am66°F19°C3 mph4 km/h NorthwestClear
6am68°F20°C4 mph6 km/h WestMostly Clear
7am70°F21°C5 mph8 km/h WestMostly Clear
8am72°F22°C5 mph9 km/h WestPartly Cloudy
9am73°F23°C6 mph10 km/h WestMostly Cloudy
10am74°F23°C6 mph10 km/h WestMostly Cloudy
11am74°F23°C7 mph12 km/h WestMostly Cloudy
12pm74°F23°C8 mph12 km/h WestCloudy
DateLowHighWindDayNight
July 251°F11°C74°F23°C5 mph8 km/h from WestPartly CloudyMostly Clear
July 353°F12°C78°F26°C9 mph15 km/h from WestMostly CloudyCloudy
July 459°F15°C72°F22°C12 mph19 km/h from SouthwestDrizzleMostly Cloudy
July 560°F15°C70°F21°C11 mph18 km/h from WestDrizzleMostly Cloudy
July 655°F13°C67°F19°C11 mph18 km/h from NorthwestDrizzlePartly Cloudy
July 754°F12°C72°F22°C8 mph13 km/h from NorthwestPartly CloudyMostly Clear
July 857°F14°C79°F26°C7 mph12 km/h from WestPartly CloudyPartly Cloudy

Yes

Low of 53°F12°C, High of 78°F26°C
Wind: 9 mph15 km/h
Precipitation: None

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