Yes
you do need a jacket based on the weather in Katowice, Poland 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it and it's on the windy side!
54°F12°C & Cloudy
Wind is 9 mph15 km/h from the Northwest, gusting to 21 mph33 km/h
| May 28 | ||||
| 10pm | 54°F12°C | 9 mph15 km/h Northwest | Cloudy | |
| 11pm | 53°F12°C | 10 mph16 km/h Northwest | Cloudy | |
| May 29 | ||||
| 12am | 53°F12°C | 10 mph17 km/h Northwest | Drizzle | |
| 1am | 54°F12°C | 11 mph18 km/h Northwest | Drizzle | |
| 2am | 54°F12°C | 12 mph20 km/h Northwest | Cloudy | |
| 3am | 55°F13°C | 13 mph20 km/h Northwest | Cloudy | |
| 4am | 57°F14°C | 13 mph21 km/h Northwest | Cloudy | |
| 5am | 58°F15°C | 13 mph21 km/h Northwest | Cloudy | |
| 6am | 60°F15°C | 13 mph22 km/h Northwest | Mostly Cloudy | |
| 7am | 61°F16°C | 14 mph22 km/h Northwest | Mostly Cloudy | |
| 8am | 62°F17°C | 14 mph23 km/h Northwest | Mostly Cloudy | |
| 9am | 62°F17°C | 14 mph22 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 28 | 52°F11°C | 63°F17°C | 13 mph21 km/h from Northwest | Drizzle | Partly Cloudy |
| May 29 | 47°F8°C | 66°F19°C | 6 mph10 km/h from West | Cloudy | Mostly Clear |
| May 30 | 55°F13°C | 78°F25°C | 6 mph10 km/h from West | Partly Cloudy | Partly Cloudy |
| May 31 | 59°F15°C | 80°F26°C | 5 mph8 km/h from Southwest | Mostly Cloudy | Rain |
| June 1 | 63°F17°C | 75°F24°C | 7 mph11 km/h from West | Drizzle | Mostly Cloudy |
| June 2 | 59°F15°C | 73°F23°C | 5 mph8 km/h from Northwest | Heavy Rain | Partly Cloudy |
| June 3 | 59°F15°C | 82°F28°C | 7 mph11 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
Yes
Low of 47°F9°C, High of 65°F19°CWind: 6 mph10 km/h
Precipitation: None