No
you don't need a jacket based on the weather in Katowice, Poland 1 second ago
67°F19°C & Cloudy
Wind is 6 mph9 km/h from the Northwest, gusting to 13 mph21 km/h
| August 4 | ||||
| 1pm | 67°F19°C | 6 mph9 km/h Northwest | Mostly Cloudy | |
| 2pm | 65°F18°C | 4 mph6 km/h West | Mostly Clear | |
| 3pm | 63°F17°C | 3 mph5 km/h West | Mostly Clear | |
| 4pm | 61°F16°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 5pm | 60°F15°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 6pm | 58°F15°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 7pm | 57°F14°C | 4 mph6 km/h Southwest | Clear | |
| 8pm | 56°F13°C | 3 mph5 km/h Southwest | Clear | |
| 9pm | 55°F13°C | 3 mph6 km/h South | Clear | |
| 10pm | 54°F12°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 11pm | 54°F12°C | 4 mph6 km/h South | Clear | |
| August 5 | ||||
| 12am | 55°F13°C | 4 mph7 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 3 | 54°F12°C | 71°F22°C | 4 mph7 km/h from West | Partly Cloudy | Mostly Clear |
| August 4 | 54°F12°C | 77°F25°C | 7 mph12 km/h from Southwest | Mostly Clear | Rain |
| August 5 | 54°F12°C | 69°F21°C | 8 mph12 km/h from Northwest | Partly Cloudy | Clear |
| August 6 | 51°F10°C | 74°F23°C | 3 mph5 km/h from South | Partly Cloudy | Mostly Clear |
| August 7 | 57°F14°C | 79°F26°C | 6 mph9 km/h from West | Mostly Clear | Mostly Clear |
| August 8 | 59°F15°C | 82°F28°C | 4 mph7 km/h from South | Partly Cloudy | Mostly Clear |
| August 9 | 63°F17°C | 81°F27°C | 5 mph8 km/h from South | Mostly Clear | Clear |
Yes
Low of 54°F12°C, High of 77°F25°CWind: 7 mph12 km/h
Precipitation: None