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
| 05 December 2025 Fri 2.1 ° C ( 35.8°F )  Patchy rain nearby |
Feels Like : -0 ° C / 31.9°F Humidity : % 93 Pressure : 1018 mb Wind Speed : 7.2 kmph / 4.5 miles from SSW 
Visibility : 10 km Precipitation (rainfall) : 0.01 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 |
|---|---|---|---|---|---|---|---|
| 05 December 2025 Fri | Patchy rain nearby |
2.7 ° C | 3.6 ° C | 3.3 ° C | % 94 | 9.4 km/h | 91% |
| 06 December 2025 Sat |  Moderate rain |
2.5 ° C | 3.5 ° C | 3.2 ° C | % 97 | 16.2 km/h | 86% |
| 07 December 2025 Sun | Moderate rain |
1.4 ° C | 2.2 ° C | 2 ° C | % 97 | 15.1 km/h | 89% |
| 08 December 2025 Mon | Patchy rain nearby |
1.4 ° C | 3.9 ° C | 2.7 ° C | % 98 | 8.6 km/h | 89% |
| 09 December 2025 Tue | Patchy rain nearby |
1.4 ° C | 2.6 ° C | 2.4 ° C | % 90 | 6.1 km/h | 89% |
| 10 December 2025 Wed | Patchy rain nearby |
0.6 ° C | 2.7 ° C | 1.9 ° C | % 94 | 10.4 km/h | 83% |
| 11 December 2025 Thu |  Heavy snow |
-0.8 ° C | 0.9 ° C | 0.7 ° C | % 96 | 21.2 km/h | 70% |
| 12 December 2025 Fri |  Light snow |
-8.3 ° C | -2.3 ° C | -4.3 ° C | % 92 | 19.4 km/h | 60% |
| 13 December 2025 Sat |  Mist |
-9.3 ° C | -8.5 ° C | -8.2 ° C | % 92 | 12.2 km/h | 0% |
| 14 December 2025 Sun | Light snow |
-5.2 ° C | -3 ° C | -3.6 ° C | % 92 | 13.7 km/h | 69% |
| 15 December 2025 Mon | Heavy snow |
-4.3 ° C | 0.3 ° C | -0.9 ° C | % 98 | 13.7 km/h | 72% |
| 16 December 2025 Tue |  Freezing fog |
-11.1 ° C | -8.5 ° C | -8.7 ° C | % 96 | 13.7 km/h | 0% |
| 17 December 2025 Wed | Freezing fog |
-12.3 ° C | -8.6 ° C | -9.5 ° C | % 93 | 15.8 km/h | 70% |
| 18 December 2025 Thu |  Light freezing rain |
-14.3 ° C | -7.5 ° C | -9.9 ° C | % 90 | 18 km/h | 80% |
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