Yes
you do need a jacket based on the weather in 11-041 Olsztyn, Poland 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
59°F15°C & Partly Cloudy
Wind is 5 mph8 km/h from the South, gusting to 11 mph18 km/h
| March 10 | ||||
| 12pm | 56°F13°C | 4 mph7 km/h Southeast | Partly Cloudy | |
| 1pm | 52°F11°C | 4 mph7 km/h Southeast | Mostly Cloudy | |
| 2pm | 50°F10°C | 4 mph7 km/h Southeast | Mostly Cloudy | |
| 3pm | 49°F9°C | 4 mph6 km/h Southeast | Mostly Cloudy | |
| 4pm | 48°F9°C | 4 mph6 km/h South | Mostly Cloudy | |
| 5pm | 47°F8°C | 3 mph5 km/h South | Mostly Cloudy | |
| 6pm | 46°F8°C | 3 mph5 km/h South | Mostly Cloudy | |
| 7pm | 45°F7°C | 3 mph5 km/h South | Mostly Cloudy | |
| 8pm | 44°F7°C | 4 mph6 km/h South | Mostly Cloudy | |
| 9pm | 43°F6°C | 3 mph6 km/h Southwest | Mostly Cloudy | |
| 10pm | 42°F6°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 11pm | 42°F6°C | 5 mph8 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 9 | 40°F4°C | 61°F16°C | 6 mph9 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| March 10 | 38°F3°C | 51°F11°C | 7 mph12 km/h from West | Partly Cloudy | Cloudy |
| March 11 | 36°F2°C | 53°F12°C | 3 mph5 km/h from South | Mostly Cloudy | Rain |
| March 12 | 39°F4°C | 53°F12°C | 7 mph12 km/h from West | Drizzle | Drizzle |
| March 13 | 33°F0°C | 41°F5°C | 6 mph9 km/h from North | Cloudy | Mostly Cloudy |
| March 14 | 25°F-4°C | 41°F5°C | 10 mph16 km/h from North | Partly Cloudy | Clear |
| March 15 | 24°F-4°C | 43°F6°C | 6 mph10 km/h from Northwest | Mostly Clear | Mostly Clear |
Yes
Low of 38°F4°C, High of 51°F11°CWind: 7 mph12 km/h
Precipitation: None