No

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

83°F29°C & Clear

Wind is 4 mph7 km/h from the North, gusting to 11 mph18 km/h
September 17
10am83°F28°C5 mph8 km/h NorthClear
11am81°F27°C5 mph8 km/h NorthClear
12pm79°F26°C4 mph7 km/h NorthClear
1pm76°F24°C3 mph5 km/h NorthClear
2pm71°F22°C2 mph4 km/h NorthClear
3pm67°F20°C1 mph2 km/h NorthwestClear
4pm65°F18°C1 mph2 km/h WestClear
5pm63°F17°C1 mph2 km/h SouthwestClear
6pm62°F17°C1 mph2 km/h SouthClear
7pm61°F16°C1 mph2 km/h SouthMostly Clear
8pm60°F16°C2 mph3 km/h SouthMostly Clear
9pm59°F15°C2 mph3 km/h SouthMostly Clear
DateLowHighWindDayNight
September 1656°F14°C83°F29°C3 mph5 km/h from NortheastClearMostly Clear
September 1757°F14°C93°F34°C3 mph5 km/h from SoutheastClearClear
September 1866°F19°C90°F32°C5 mph9 km/h from SouthPartly CloudyPartly Cloudy
September 1960°F16°C80°F26°C6 mph9 km/h from SouthwestMostly CloudyRain
September 2054°F12°C60°F16°C4 mph7 km/h from NorthwestRainRain
September 2150°F10°C57°F14°C9 mph14 km/h from WestRainRain
September 2249°F9°C60°F15°C7 mph11 km/h from WestDrizzleDrizzle

Yes

Low of 57°F14°C, High of 93°F34°C
Wind: 3 mph5 km/h
Precipitation: None

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