Yes

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

Why? Because the wind is harsh and biting!
60°F15°C & Windy

Wind is 15 mph24 km/h from the Southwest, gusting to 22 mph35 km/h
June 14
6am60°F16°C15 mph25 km/h SouthwestWindy
7am61°F16°C15 mph25 km/h SouthwestWindy
8am61°F16°C15 mph25 km/h SouthwestWindy
9am62°F16°C15 mph25 km/h SouthwestWindy
10am62°F16°C15 mph25 km/h SouthwestWindy
11am62°F17°C15 mph24 km/h SouthwestWindy
12pm62°F16°C14 mph23 km/h WestMostly Clear
1pm61°F16°C14 mph22 km/h WestMostly Clear
2pm61°F16°C13 mph21 km/h WestMostly Clear
3pm60°F15°C12 mph19 km/h WestMostly Clear
4pm59°F15°C10 mph17 km/h WestMostly Clear
5pm58°F14°C10 mph16 km/h WestMostly Clear
DateLowHighWindDayNight
June 1356°F13°C62°F17°C15 mph24 km/h from SouthwestMostly ClearMostly Clear
June 1455°F13°C63°F17°C14 mph22 km/h from WestPartly CloudyPartly Cloudy
June 1555°F13°C63°F17°C5 mph9 km/h from WestPartly CloudyMostly Clear
June 1656°F13°C65°F19°C6 mph10 km/h from WestPartly CloudyPartly Cloudy
June 1758°F14°C67°F19°C4 mph7 km/h from EastMostly ClearMostly Clear
June 1860°F15°C68°F20°C16 mph25 km/h from SoutheastWindyPartly Cloudy
June 1959°F15°C66°F19°C12 mph19 km/h from NorthwestPartly CloudyPartly Cloudy

Yes

Low of 55°F13°C, High of 63°F17°C
Wind: 14 mph22 km/h
Precipitation: 4% rain

Support This Page