No

you don't need a jacket based on the weather in Grein, Austria 1 second ago

75°F24°C & Partly Cloudy

Wind is 4 mph7 km/h from the West, gusting to 12 mph19 km/h
September 3
9am75°F24°C5 mph7 km/h WestPartly Cloudy
10am75°F24°C4 mph6 km/h WestPartly Cloudy
11am75°F24°C3 mph4 km/h WestMostly Clear
12pm74°F23°C2 mph2 km/h WestClear
1pm70°F21°C2 mph3 km/h SoutheastMostly Clear
2pm66°F19°C2 mph4 km/h EastMostly Clear
3pm63°F17°C3 mph4 km/h EastMostly Clear
4pm61°F16°C3 mph4 km/h NortheastMostly Clear
5pm59°F15°C3 mph4 km/h NortheastClear
6pm58°F14°C3 mph4 km/h NortheastClear
7pm57°F14°C3 mph4 km/h NortheastMostly Clear
8pm56°F13°C2 mph4 km/h EastMostly Clear
DateLowHighWindDayNight
September 256°F13°C75°F24°C3 mph5 km/h from WestMostly ClearMostly Clear
September 354°F12°C81°F27°C4 mph6 km/h from EastClearPartly Cloudy
September 455°F13°C69°F20°C11 mph17 km/h from WestRainRain
September 550°F10°C71°F22°C3 mph5 km/h from SouthwestMostly ClearMostly Clear
September 654°F12°C76°F24°C7 mph11 km/h from EastMostly ClearPartly Cloudy
September 755°F13°C75°F24°C5 mph8 km/h from WestPartly CloudyMostly Clear
September 858°F15°C77°F25°C7 mph11 km/h from EastPartly CloudyMostly Cloudy

Yes

Low of 54°F12°C, High of 81°F27°C
Wind: 4 mph6 km/h
Precipitation: None

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