Yes
you do need a jacket based on the weather in 05-260 Marki, Poland 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
57°F14°C & Clear
Wind is 7 mph11 km/h from the Northwest, gusting to 16 mph25 km/h
| June 30 | ||||
| 6pm | 57°F14°C | 7 mph11 km/h Northwest | Clear | |
| 7pm | 55°F13°C | 6 mph10 km/h Northwest | Clear | |
| 8pm | 53°F12°C | 6 mph9 km/h Northwest | Clear | |
| 9pm | 52°F11°C | 5 mph8 km/h Northwest | Clear | |
| 10pm | 51°F11°C | 5 mph7 km/h Northwest | Clear | |
| 11pm | 51°F11°C | 4 mph7 km/h Northwest | Clear | |
| July 1 | ||||
| 12am | 53°F12°C | 4 mph7 km/h Northwest | Clear | |
| 1am | 57°F14°C | 4 mph7 km/h Northwest | Clear | |
| 2am | 61°F16°C | 5 mph8 km/h Northwest | Clear | |
| 3am | 64°F18°C | 5 mph9 km/h Northwest | Clear | |
| 4am | 68°F20°C | 6 mph10 km/h Northwest | Clear | |
| 5am | 70°F21°C | 7 mph11 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 29 | 56°F13°C | 74°F23°C | 13 mph21 km/h from Northwest | Partly Cloudy | Clear |
| June 30 | 51°F11°C | 77°F25°C | 8 mph12 km/h from Northwest | Mostly Clear | Clear |
| July 1 | 57°F14°C | 86°F30°C | 3 mph5 km/h from West | Clear | Clear |
| July 2 | 64°F18°C | 92°F33°C | 9 mph15 km/h from West | Mostly Clear | Mostly Clear |
| July 3 | 57°F14°C | 72°F22°C | 8 mph13 km/h from Northwest | Mostly Cloudy | Mostly Clear |
| July 4 | 52°F11°C | 76°F24°C | 3 mph5 km/h from West | Mostly Clear | Partly Cloudy |
| July 5 | 58°F14°C | 83°F28°C | 9 mph14 km/h from South | Partly Cloudy | Drizzle |
Yes
Low of 51°F11°C, High of 77°F25°CWind: 8 mph12 km/h
Precipitation: None