Yes

you do need a jacket based on the weather in Larkhill, Salisbury SP4, UK 1 second ago

Why? Because it's so windy, your hat will probably launch into orbit!
68°F20°C & Mostly Cloudy

Wind is 14 mph22 km/h from the West, gusting to 25 mph41 km/h
July 5
1pm67°F20°C13 mph22 km/h WestMostly Cloudy
2pm67°F19°C13 mph22 km/h WestCloudy
3pm66°F19°C12 mph20 km/h WestCloudy
4pm65°F18°C11 mph18 km/h WestCloudy
5pm63°F17°C10 mph16 km/h WestCloudy
6pm62°F16°C9 mph14 km/h WestCloudy
7pm60°F16°C7 mph12 km/h WestMostly Cloudy
8pm60°F15°C8 mph12 km/h SouthwestCloudy
9pm59°F15°C8 mph13 km/h SouthwestCloudy
10pm59°F15°C8 mph12 km/h SouthwestCloudy
11pm59°F15°C7 mph12 km/h SouthwestCloudy
July 6
12am59°F15°C8 mph13 km/h SouthwestCloudy
DateLowHighWindDayNight
July 458°F14°C68°F20°C13 mph21 km/h from SouthwestDrizzleCloudy
July 558°F15°C68°F20°C14 mph22 km/h from NorthwestMostly CloudyDrizzle
July 654°F12°C70°F21°C14 mph23 km/h from NorthDrizzleMostly Clear
July 752°F11°C73°F23°C9 mph14 km/h from NorthwestMostly ClearMostly Clear
July 852°F11°C79°F26°C5 mph8 km/h from NorthwestMostly ClearClear
July 957°F14°C81°F27°C5 mph8 km/h from SouthwestMostly ClearPartly Cloudy
July 1060°F15°C81°F27°C8 mph13 km/h from SouthPartly CloudyMostly Clear

Yes

Low of 58°F15°C, High of 68°F20°C
Wind: 14 mph22 km/h
Precipitation: 27% rain

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