Ilmajoki Airport (SJY) 15 Day Weather Forecast, Seinajoki Finland
Current weather conditions and 15 day weather forecast for Ilmajoki Airport in Seinajoki, Finland 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 SJY
| 11 January 2026 Sun -9.6 ° C ( 14.7°F )  Partly Cloudy |
Feels Like : -14.3 ° C / 6.3°F Humidity : % 85 Pressure : 1021 mb Wind Speed : 8.6 kmph / 5.4 miles from NNE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Ilmajoki Airport, Seinajoki, Finland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 12 January 2026 Mon |  Mist |
-13.7 ° C | -10.3 ° C | -11.9 ° C | % 96 | 9 km/h | 0% |
| 13 January 2026 Tue |  Freezing fog |
-15.5 ° C | -12.4 ° C | -14.5 ° C | % 97 | 5.8 km/h | 0% |
| 14 January 2026 Wed | Mist |
-15.5 ° C | -12 ° C | -13.8 ° C | % 96 | 10.4 km/h | 0% |
| 15 January 2026 Thu | Partly Cloudy |
-11.9 ° C | -8.9 ° C | -10.6 ° C | % 90 | 14 km/h | 0% |
| 16 January 2026 Fri | Partly Cloudy |
-12.6 ° C | -11.2 ° C | -12.1 ° C | % 92 | 11.5 km/h | 0% |
| 17 January 2026 Sat | Mist |
-12.8 ° C | -10.6 ° C | -11.7 ° C | % 94 | 9.7 km/h | 0% |
| 18 January 2026 Sun | Mist |
-9.2 ° C | -6.4 ° C | -7.7 ° C | % 95 | 9.4 km/h | 0% |
| 19 January 2026 Mon |  Light snow |
-5.8 ° C | -4.3 ° C | -5.2 ° C | % 96 | 7.9 km/h | 71% |
| 20 January 2026 Tue | Light snow |
-2.1 ° C | -0.1 ° C | -0.8 ° C | % 98 | 9.7 km/h | 88% |
| 21 January 2026 Wed |  Moderate snow |
-2.3 ° C | 0.1 ° C | -1.1 ° C | % 98 | 7.9 km/h | 68% |
| 22 January 2026 Thu | Mist |
-3.3 ° C | -1.3 ° C | -2.1 ° C | % 97 | 4.7 km/h | 62% |
| 23 January 2026 Fri | Freezing fog |
-9.5 ° C | -3.5 ° C | -5.7 ° C | % 98 | 5 km/h | 0% |
| 24 January 2026 Sat | Light snow |
-6.1 ° C | 1 ° C | -1.5 ° C | % 95 | 20.2 km/h | 87% |
| 25 January 2026 Sun | Partly Cloudy |
-4 ° C | 1.8 ° C | 0.3 ° C | % 85 | 19.8 km/h | 0% |
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