Yes
you do need a jacket based on the weather in St Petersburg, Russia 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
56°F13°C & Mostly Cloudy
Wind is 5 mph8 km/h from the Southeast, gusting to 12 mph20 km/h
| September 3 | ||||
| 9pm | 56°F13°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 10pm | 56°F13°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 11pm | 56°F13°C | 4 mph7 km/h Southeast | Rain | |
| September 4 | ||||
| 12am | 56°F14°C | 5 mph8 km/h Southeast | Cloudy | |
| 1am | 57°F14°C | 5 mph7 km/h Southeast | Cloudy | |
| 2am | 59°F15°C | 4 mph7 km/h Southeast | Mostly Cloudy | |
| 3am | 61°F16°C | 5 mph7 km/h Southeast | Cloudy | |
| 4am | 63°F17°C | 5 mph8 km/h Southeast | Cloudy | |
| 5am | 65°F18°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 6am | 67°F20°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 7am | 69°F21°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 8am | 70°F21°C | 5 mph8 km/h South | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 3 | 56°F13°C | 71°F22°C | 5 mph7 km/h from Southeast | Drizzle | Drizzle |
| September 4 | 60°F15°C | 72°F22°C | 4 mph7 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 5 | 59°F15°C | 74°F23°C | 6 mph9 km/h from Southeast | Partly Cloudy | Mostly Clear |
| September 6 | 57°F14°C | 73°F23°C | 5 mph8 km/h from Southeast | Clear | Clear |
| September 7 | 55°F13°C | 72°F22°C | 3 mph4 km/h from South | Mostly Clear | Mostly Clear |
| September 8 | 56°F13°C | 71°F22°C | 2 mph4 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| September 9 | 56°F13°C | 71°F22°C | 2 mph4 km/h from South | Partly Cloudy | Mostly Clear |
No
Low of 60°F16°C, High of 72°F22°CWind: 4 mph7 km/h
Precipitation: None