Koszalin Airport (OSZ) 15 Day Weather Forecast, Koszalin Poland
Current weather conditions and 15 day weather forecast for Koszalin Airport in Koszalin, Poland including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at OSZ
| 18 September 2026 Fri 17.3 ° C ( 63.1°F )  Partly Cloudy |
Feels Like : 15 ° C / 59°F Humidity : % 57 Pressure : 1011 mb Wind Speed : 10.1 kmph / 6.3 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 30 |
15-day weather forecast for Koszalin Airport, Koszalin, Poland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 18 September 2026 Fri |  Overcast |
13 ° C | 18.9 ° C | 15.3 ° C | % 64 | 19.4 km/h | 36% |
| 19 September 2026 Sat | Overcast |
12.1 ° C | 19.8 ° C | 15.6 ° C | % 68 | 24.5 km/h | 17% |
| 20 September 2026 Sun |  Patchy rain nearby |
11.5 ° C | 19.5 ° C | 15.7 ° C | % 73 | 26.6 km/h | 70% |
| 21 September 2026 Mon | Patchy rain nearby |
11.1 ° C | 14.1 ° C | 12.4 ° C | % 78 | 31.3 km/h | 79% |
| 22 September 2026 Tue |  Sunny |
9.3 ° C | 15.4 ° C | 12.2 ° C | % 77 | 19.8 km/h | 41% |
| 23 September 2026 Wed | Sunny |
8.2 ° C | 14.7 ° C | 11.1 ° C | % 75 | 18.7 km/h | 20% |
| 24 September 2026 Thu | Sunny |
9.9 ° C | 15.4 ° C | 12.5 ° C | % 78 | 20.9 km/h | 13% |
| 25 September 2026 Fri |  Fog |
10.5 ° C | 17.1 ° C | 13.4 ° C | % 83 | 16.6 km/h | 22% |
| 26 September 2026 Sat | Sunny |
9.3 ° C | 15.3 ° C | 11.5 ° C | % 80 | 14.4 km/h | 19% |
| 27 September 2026 Sun | Sunny |
8.7 ° C | 17.4 ° C | 12.2 ° C | % 79 | 5.8 km/h | 9% |
| 28 September 2026 Mon | Sunny |
9.2 ° C | 18.1 ° C | 12.8 ° C | % 71 | 17.6 km/h | 11% |
| 29 September 2026 Tue | Overcast |
8.4 ° C | 12.5 ° C | 10.6 ° C | % 76 | 18.7 km/h | 22% |
| 30 September 2026 Wed | Overcast |
7.1 ° C | 12.4 ° C | 9.2 ° C | % 74 | 16.6 km/h | 70% |
| 01 October 2026 Thu |  Light rain shower |
7.3 ° C | 10.9 ° C | 8.8 ° C | % 74 | 25.9 km/h | 78% |
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