No
you don't need a jacket based on the weather in 53100 Siena, Province of Siena, Italy 7 minutes ago
64°F18°C & Partly Cloudy
Wind is 3 mph5 km/h from the Southeast, gusting to 6 mph10 km/h
| August 2 | ||||
| 12am | 64°F18°C | 3 mph5 km/h Southeast | Partly Cloudy | |
| 1am | 65°F18°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 2am | 68°F20°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 3am | 71°F22°C | 6 mph9 km/h Southeast | Partly Cloudy | |
| 4am | 75°F24°C | 8 mph12 km/h South | Partly Cloudy | |
| 5am | 78°F25°C | 8 mph13 km/h South | Partly Cloudy | |
| 6am | 80°F27°C | 9 mph15 km/h South | Mostly Cloudy | |
| 7am | 81°F27°C | 10 mph16 km/h Southwest | Mostly Cloudy | |
| 8am | 82°F28°C | 10 mph17 km/h Southwest | Mostly Cloudy | |
| 9am | 80°F27°C | 10 mph15 km/h West | Drizzle | |
| 10am | 80°F27°C | 8 mph13 km/h West | Partly Cloudy | |
| 11am | 79°F26°C | 9 mph15 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 1 | 64°F18°C | 82°F28°C | 8 mph13 km/h from Southwest | Partly Cloudy | Mostly Clear |
| August 2 | 60°F16°C | 77°F25°C | 5 mph8 km/h from North | Drizzle | Clear |
| August 3 | 57°F14°C | 81°F27°C | 5 mph8 km/h from North | Partly Cloudy | Mostly Clear |
| August 4 | 58°F15°C | 87°F31°C | 3 mph5 km/h from North | Clear | Clear |
| August 5 | 62°F17°C | 90°F32°C | 4 mph6 km/h from East | Mostly Clear | Partly Cloudy |
| August 6 | 63°F17°C | 91°F33°C | 4 mph6 km/h from Southwest | Mostly Clear | Clear |
| August 7 | 64°F18°C | 91°F33°C | 5 mph8 km/h from West | Clear | Clear |
No
Low of 60°F16°C, High of 77°F25°CWind: 5 mph8 km/h
Precipitation: 40% rain