No

you don't need a jacket based on the weather in Ermua, Biscay, Spain 1 second ago

65°F18°C & Cloudy

Wind is 3 mph5 km/h from the West, gusting to 10 mph16 km/h
July 6
8pm64°F18°C3 mph5 km/h WestCloudy
9pm64°F18°C3 mph5 km/h NorthwestCloudy
10pm63°F17°C4 mph7 km/h NorthwestCloudy
11pm63°F17°C4 mph7 km/h NorthwestCloudy
July 7
12am62°F17°C4 mph7 km/h NorthwestDrizzle
1am62°F16°C4 mph7 km/h NorthwestDrizzle
2am61°F16°C4 mph7 km/h NorthwestCloudy
3am62°F17°C4 mph7 km/h NorthwestCloudy
4am62°F17°C6 mph10 km/h NorthwestCloudy
5am63°F17°C7 mph11 km/h NorthwestCloudy
6am63°F17°C8 mph13 km/h NorthwestMostly Cloudy
7am65°F18°C8 mph13 km/h NorthwestMostly Cloudy
DateLowHighWindDayNight
July 660°F16°C67°F20°C8 mph12 km/h from NorthwestDrizzleMostly Cloudy
July 756°F13°C71°F22°C5 mph8 km/h from NorthPartly CloudyMostly Clear
July 854°F12°C77°F25°C5 mph7 km/h from NortheastClearClear
July 956°F14°C80°F27°C4 mph7 km/h from NortheastClearMostly Clear
July 1060°F16°C83°F28°C3 mph5 km/h from NortheastMostly ClearPartly Cloudy
July 1163°F17°C78°F26°C3 mph5 km/h from NorthThunderstormsDrizzle
July 1261°F16°C79°F26°C3 mph5 km/h from NortheastMostly ClearMostly Cloudy

Yes

Low of 55°F13°C, High of 72°F22°C
Wind: 5 mph8 km/h
Precipitation: 5% rain

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