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
| 12 September 2026 Sat 7.2 ° C ( 44.9°F )  Mist |
Feels Like : 5.6 ° C / 42.1°F Humidity : % 96 Pressure : 1015 mb Wind Speed : 4 kmph / 2.5 miles from WSW 
Visibility : 2 km Precipitation (rainfall) : 0 mm Cloud (%) : 6 |
15-day weather forecast for Ilmajoki Airport, Seinajoki, Finland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 12 September 2026 Sat |  Sunny |
6.4 ° C | 16.2 ° C | 10.7 ° C | % 76 | 7.9 km/h | 13% |
| 13 September 2026 Sun | Sunny |
8.5 ° C | 14.6 ° C | 11.1 ° C | % 86 | 16.2 km/h | 68% |
| 14 September 2026 Mon | Sunny |
5.8 ° C | 13.7 ° C | 9.3 ° C | % 74 | 13.3 km/h | 7% |
| 15 September 2026 Tue |  Overcast |
7.2 ° C | 16.2 ° C | 11.1 ° C | % 81 | 17.3 km/h | 29% |
| 16 September 2026 Wed | Overcast |
8.7 ° C | 14.9 ° C | 10.9 ° C | % 86 | 19.8 km/h | 72% |
| 17 September 2026 Thu | Mist |
12.7 ° C | 16.1 ° C | 14.1 ° C | % 90 | 14 km/h | 49% |
| 18 September 2026 Fri | Mist |
11.4 ° C | 14 ° C | 13 ° C | % 96 | 10.1 km/h | 90% |
| 19 September 2026 Sat |  Fog |
9.9 ° C | 15.8 ° C | 12.4 ° C | % 90 | 7.2 km/h | 49% |
| 20 September 2026 Sun | Sunny |
7.6 ° C | 16.4 ° C | 11.6 ° C | % 79 | 12.6 km/h | 9% |
| 21 September 2026 Mon | Mist |
10 ° C | 16.2 ° C | 12.1 ° C | % 89 | 16.9 km/h | 78% |
| 22 September 2026 Tue | Overcast |
7.9 ° C | 12.9 ° C | 10.3 ° C | % 88 | 13.7 km/h | 34% |
| 23 September 2026 Wed |  Patchy rain nearby |
7.7 ° C | 11.7 ° C | 10.1 ° C | % 86 | 6.8 km/h | 54% |
| 24 September 2026 Thu | Patchy rain nearby |
6.5 ° C | 8.4 ° C | 7.6 ° C | % 93 | 17.6 km/h | 82% |
| 25 September 2026 Fri | Patchy rain nearby |
5.8 ° C | 12.3 ° C | 8.3 ° C | % 86 | 17.6 km/h | 26% |
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