Yes

you do need a jacket based on the weather in Spijkenisse, Netherlands 1 second ago

Why? Because it's really really huffing out there!
63°F17°C & Windy

Wind is 18 mph29 km/h from the Southwest, gusting to 34 mph55 km/h
June 6
10am63°F17°C18 mph29 km/h SouthwestWindy
11am64°F18°C18 mph28 km/h SouthwestWindy
12pm63°F17°C17 mph28 km/h WestWindy
1pm62°F17°C16 mph26 km/h WestWindy
2pm61°F16°C14 mph23 km/h WestMostly Cloudy
3pm60°F15°C13 mph21 km/h SouthwestMostly Cloudy
4pm58°F15°C11 mph18 km/h SouthwestMostly Cloudy
5pm57°F14°C10 mph16 km/h SouthwestCloudy
6pm56°F14°C10 mph16 km/h SouthwestCloudy
7pm55°F13°C10 mph16 km/h SouthwestCloudy
8pm54°F12°C10 mph16 km/h SouthwestCloudy
9pm54°F12°C10 mph16 km/h SouthwestCloudy
DateLowHighWindDayNight
June 556°F13°C65°F18°C15 mph24 km/h from SouthwestRainDrizzle
June 653°F12°C61°F16°C13 mph22 km/h from SouthwestRainRain
June 752°F11°C60°F15°C16 mph25 km/h from WestDrizzleMostly Clear
June 852°F11°C66°F19°C10 mph17 km/h from WestMostly ClearMostly Cloudy
June 953°F12°C68°F20°C10 mph15 km/h from WestPartly CloudyMostly Clear
June 1054°F12°C76°F24°C6 mph9 km/h from EastMostly ClearMostly Clear
June 1158°F15°C82°F28°C11 mph18 km/h from EastMostly ClearMostly Cloudy

Yes

Low of 53°F12°C, High of 61°F16°C
Wind: 13 mph22 km/h
Precipitation: 83% rain

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