No
you don't need a jacket based on the weather in 05-825 Grodzisk Mazowiecki, Poland 1 second ago
60°F16°C & Mostly Cloudy
Wind is 7 mph11 km/h from the Southwest, gusting to 15 mph24 km/h
| September 15 | ||||
| 9pm | 60°F16°C | 7 mph12 km/h Southwest | Mostly Cloudy | |
| 10pm | 60°F16°C | 8 mph12 km/h Southwest | Drizzle | |
| 11pm | 60°F16°C | 8 mph13 km/h Southwest | Cloudy | |
| September 16 | ||||
| 12am | 60°F16°C | 9 mph14 km/h Southwest | Drizzle | |
| 1am | 61°F16°C | 9 mph15 km/h Southwest | Cloudy | |
| 2am | 62°F16°C | 10 mph17 km/h Southwest | Mostly Cloudy | |
| 3am | 62°F17°C | 11 mph18 km/h West | Mostly Cloudy | |
| 4am | 63°F17°C | 12 mph19 km/h West | Mostly Cloudy | |
| 5am | 64°F18°C | 12 mph20 km/h West | Mostly Cloudy | |
| 6am | 65°F19°C | 13 mph21 km/h West | Mostly Cloudy | |
| 7am | 66°F19°C | 13 mph21 km/h West | Mostly Cloudy | |
| 8am | 67°F19°C | 14 mph22 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 54°F12°C | 67°F19°C | 12 mph20 km/h from West | Mostly Cloudy | Partly Cloudy |
| September 16 | 51°F10°C | 63°F17°C | 12 mph19 km/h from West | Drizzle | Mostly Clear |
| September 17 | 49°F10°C | 68°F20°C | 11 mph17 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 18 | 58°F15°C | 75°F24°C | 11 mph18 km/h from West | Mostly Clear | Mostly Clear |
| September 19 | 59°F15°C | 79°F26°C | 7 mph12 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 20 | 61°F16°C | 79°F26°C | 10 mph15 km/h from Southwest | Mostly Clear | Clear |
| September 21 | 62°F17°C | 77°F25°C | 8 mph12 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 51°F11°C, High of 64°F18°CWind: 12 mph19 km/h
Precipitation: 39% rain