No
you don't need a jacket based on the weather in Vienna, Austria 1 second ago
75°F24°C & Mostly Clear
Wind is 4 mph6 km/h from the West, gusting to 14 mph22 km/h
| September 18 | ||||
| 9am | 75°F24°C | 4 mph6 km/h West | Mostly Clear | |
| 10am | 76°F24°C | 4 mph6 km/h West | Clear | |
| 11am | 75°F24°C | 3 mph5 km/h West | Clear | |
| 12pm | 74°F23°C | 2 mph4 km/h Southwest | Clear | |
| 1pm | 70°F21°C | 2 mph3 km/h South | Clear | |
| 2pm | 68°F20°C | 2 mph4 km/h Southwest | Clear | |
| 3pm | 66°F19°C | 3 mph4 km/h Southwest | Clear | |
| 4pm | 65°F18°C | 3 mph5 km/h West | Clear | |
| 5pm | 63°F17°C | 3 mph5 km/h West | Clear | |
| 6pm | 62°F17°C | 4 mph6 km/h West | Clear | |
| 7pm | 61°F16°C | 4 mph7 km/h West | Clear | |
| 8pm | 61°F16°C | 4 mph7 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 57°F14°C | 76°F24°C | 2 mph4 km/h from Southwest | Partly Cloudy | Clear |
| September 18 | 58°F14°C | 80°F27°C | 2 mph4 km/h from West | Clear | Clear |
| September 19 | 58°F14°C | 83°F28°C | 8 mph13 km/h from Southeast | Mostly Clear | Clear |
| September 20 | 60°F16°C | 82°F28°C | 9 mph15 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 21 | 63°F17°C | 76°F25°C | 6 mph9 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| September 22 | 58°F15°C | 70°F21°C | 6 mph10 km/h from North | Drizzle | Mostly Cloudy |
| September 23 | 54°F12°C | 64°F18°C | 6 mph10 km/h from Northwest | Drizzle | Drizzle |
Yes
Low of 58°F15°C, High of 81°F27°CWind: 2 mph4 km/h
Precipitation: None