Yes

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

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

Wind is 22 mph35 km/h from the Southwest, gusting to 33 mph53 km/h
June 24
6am63°F17°C23 mph36 km/h SouthwestWindy
7am63°F17°C25 mph41 km/h SouthwestWindy
8am63°F17°C26 mph42 km/h SouthwestWindy
9am64°F18°C27 mph43 km/h SouthwestWindy
10am65°F18°C26 mph42 km/h SouthwestWindy
11am66°F19°C24 mph39 km/h SouthwestWindy
12pm66°F19°C24 mph39 km/h SouthwestWindy
1pm66°F19°C22 mph36 km/h SouthwestWindy
2pm66°F19°C21 mph33 km/h SouthwestWindy
3pm66°F19°C18 mph30 km/h SouthwestWindy
4pm65°F18°C16 mph27 km/h SouthwestWindy
5pm64°F18°C15 mph24 km/h WestMostly Cloudy
DateLowHighWindDayNight
June 2360°F16°C66°F19°C23 mph37 km/h from SouthwestWindyMostly Cloudy
June 2463°F17°C68°F20°C9 mph15 km/h from WestPartly CloudyRain
June 2564°F18°C67°F20°C19 mph30 km/h from SouthwestRainWindy
June 2661°F16°C68°F20°C16 mph26 km/h from SouthwestWindyWindy
June 2765°F18°C71°F22°C16 mph25 km/h from SouthwestWindyMostly Clear
June 2863°F17°C72°F22°C6 mph10 km/h from WestMostly ClearMostly Clear
June 2964°F18°C77°F25°C8 mph13 km/h from SouthwestMostly ClearMostly Clear

No

Low of 63°F17°C, High of 68°F20°C
Wind: 9 mph15 km/h
Precipitation: None

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