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
| 13 September 2026 Sun 9.9 ° C ( 49.8°F )  Clear |
Feels Like : 8.6 ° C / 47.5°F Humidity : % 71 Pressure : 1014 mb Wind Speed : 7.9 kmph / 4.9 miles from W 
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 |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun | Sunny |
8.1 ° C | 14 ° C | 11.5 ° C | % 84 | 16.9 km/h | 55% |
| 14 September 2026 Mon | Sunny |
5.9 ° C | 14 ° C | 9.5 ° C | % 73 | 13.7 km/h | 7% |
| 15 September 2026 Tue |  Overcast |
6.6 ° C | 15.3 ° C | 10.6 ° C | % 76 | 13.3 km/h | 18% |
| 16 September 2026 Wed | Overcast |
10.1 ° C | 16.3 ° C | 12.2 ° C | % 84 | 21.2 km/h | 89% |
| 17 September 2026 Thu |  Patchy rain nearby |
9.4 ° C | 12.9 ° C | 11.4 ° C | % 92 | 16.6 km/h | 74% |
| 18 September 2026 Fri | Overcast |
9 ° C | 14.2 ° C | 11.4 ° C | % 84 | 16.6 km/h | 71% |
| 19 September 2026 Sat | Overcast |
9.9 ° C | 13.9 ° C | 11.7 ° C | % 81 | 20.5 km/h | 26% |
| 20 September 2026 Sun | Patchy rain nearby |
8.4 ° C | 13.8 ° C | 11.4 ° C | % 82 | 25.9 km/h | 75% |
| 21 September 2026 Mon | Patchy rain nearby |
6.9 ° C | 11.2 ° C | 9.1 ° C | % 83 | 17.6 km/h | 49% |
| 22 September 2026 Tue |  Light rain shower |
6.6 ° C | 12 ° C | 8.9 ° C | % 84 | 17.6 km/h | 74% |
| 23 September 2026 Wed | Light rain shower |
7.5 ° C | 9.1 ° C | 8.1 ° C | % 96 | 14.8 km/h | 91% |
| 24 September 2026 Thu | Patchy rain nearby |
6.6 ° C | 10.4 ° C | 8 ° C | % 87 | 15.1 km/h | 63% |
| 25 September 2026 Fri | Sunny |
4.9 ° C | 9.7 ° C | 6.8 ° C | % 83 | 13.3 km/h | 15% |
| 26 September 2026 Sat | Overcast |
5 ° C | 11.4 ° C | 9.3 ° C | % 79 | 16.9 km/h | 18% |
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