Yes

you do need a jacket based on the weather in Hayling Island PO11, UK 1 second ago

Why? Because it's really really huffing out there!
61°F16°C & Windy

Wind is 28 mph45 km/h from the West, gusting to 45 mph73 km/h
September 15
5am61°F16°C28 mph45 km/h WestWindy
6am62°F17°C28 mph46 km/h WestWindy
7am63°F17°C29 mph46 km/h WestWindy
8am64°F18°C29 mph47 km/h WestWindy
9am63°F17°C29 mph47 km/h WestDrizzle
10am63°F17°C28 mph46 km/h WestWindy
11am63°F17°C28 mph45 km/h WestDrizzle
12pm63°F17°C26 mph42 km/h WestWindy
1pm62°F17°C25 mph40 km/h WestWindy
2pm61°F16°C24 mph38 km/h WestWindy
3pm60°F16°C24 mph38 km/h WestWindy
4pm59°F15°C24 mph38 km/h WestWindy
DateLowHighWindDayNight
September 1457°F14°C64°F18°C27 mph43 km/h from WestDrizzleWindy
September 1555°F13°C64°F18°C16 mph26 km/h from WestWindyDrizzle
September 1656°F13°C66°F19°C20 mph32 km/h from SouthwestDrizzleWindy
September 1761°F16°C68°F20°C17 mph27 km/h from SouthwestWindyMostly Cloudy
September 1861°F16°C69°F21°C8 mph12 km/h from SouthPartly CloudyPartly Cloudy
September 1959°F15°C68°F20°C8 mph13 km/h from SouthRainRain
September 2056°F13°C64°F18°C15 mph23 km/h from SouthwestMostly CloudyDrizzle

Yes

Low of 55°F13°C, High of 64°F18°C
Wind: 16 mph26 km/h
Precipitation: None

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