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.
50°F10°C & Mostly Cloudy
Wind is 6 mph10 km/h from the W, gusting to 14 mph22 km/h
| April 25 | ||||
| 9am | 51°F11°C | 6 mph9 km/h W | Mostly Cloudy | |
| 10am | 52°F11°C | 5 mph8 km/h SW | Mostly Cloudy | |
| 11am | 51°F11°C | 4 mph7 km/h SW | Mostly Cloudy | |
| 12pm | 50°F10°C | 5 mph8 km/h S | Mostly Cloudy | |
| 1pm | 48°F9°C | 5 mph8 km/h S | Mostly Cloudy | |
| 2pm | 46°F8°C | 4 mph6 km/h S | Mostly Cloudy | |
| 3pm | 43°F6°C | 5 mph7 km/h S | Partly Cloudy | |
| 4pm | 42°F5°C | 5 mph8 km/h S | Partly Cloudy | |
| 5pm | 41°F5°C | 5 mph9 km/h S | Partly Cloudy | |
| 6pm | 40°F4°C | 6 mph9 km/h S | Mostly Clear | |
| 7pm | 39°F4°C | 6 mph9 km/h S | Mostly Clear | |
| 8pm | 38°F3°C | 5 mph8 km/h S | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 24 | 37°F3°C | 52°F11°C | 6 mph10 km/h from W | Mostly Cloudy | Mostly Clear |
| April 25 | 36°F2°C | 55°F13°C | 8 mph12 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 26 | 43°F6°C | 63°F17°C | 9 mph15 km/h from S | Partly Cloudy | Mostly Clear |
| April 27 | 45°F7°C | 70°F21°C | 10 mph16 km/h from SE | Mostly Clear | Mostly Cloudy |
| April 28 | 51°F11°C | 75°F24°C | 11 mph17 km/h from S | Mostly Cloudy | Partly Cloudy |
| April 29 | 54°F12°C | 76°F25°C | 11 mph18 km/h from SE | Partly Cloudy | Partly Cloudy |
| April 30 | 55°F13°C | 75°F24°C | 10 mph16 km/h from SE | Mostly Clear | Mostly Clear |
Yes
Low of 36°F2°C, High of 55°F13°CWind: 8 mph12 km/h
Precipitation: 4% rain