Sion Airport (SIR) 15 Day Weather Forecast, Sion Switzerland
Current weather conditions and 15 day weather forecast for Sion Airport in Sion, Switzerland 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 SIR
| 24 April 2026 Fri 13.1 ° C ( 55.6°F )  Sunny |
Feels Like : 13.7 ° C / 56.6°F Humidity : % 54 Pressure : 1022 mb Wind Speed : 3.6 kmph / 2.2 miles from WNW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Sion Airport, Sion, Switzerland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 24 April 2026 Fri | Sunny |
1.4 ° C | 14.1 ° C | 7.5 ° C | % 61 | 9 km/h | 0% |
| 25 April 2026 Sat | Sunny |
3 ° C | 14 ° C | 8.3 ° C | % 62 | 10.4 km/h | 0% |
| 26 April 2026 Sun |  Patchy rain nearby |
3.9 ° C | 15 ° C | 8.9 ° C | % 67 | 10.8 km/h | 88% |
| 27 April 2026 Mon | Patchy rain nearby |
4.6 ° C | 14.7 ° C | 9.2 ° C | % 67 | 12.2 km/h | 84% |
| 28 April 2026 Tue | Patchy rain nearby |
2.4 ° C | 12.1 ° C | 7.1 ° C | % 60 | 11.9 km/h | 83% |
| 29 April 2026 Wed | Sunny |
0.9 ° C | 11.3 ° C | 5.6 ° C | % 62 | 13.3 km/h | 0% |
| 30 April 2026 Thu | Sunny |
-0.6 ° C | 10 ° C | 4.3 ° C | % 58 | 13.3 km/h | 0% |
| 01 May 2026 Fri | Sunny |
-0.2 ° C | 11.3 ° C | 5.3 ° C | % 49 | 11.5 km/h | 0% |
| 02 May 2026 Sat | Sunny |
0.1 ° C | 12.7 ° C | 6.1 ° C | % 50 | 11.9 km/h | 0% |
| 03 May 2026 Sun | Sunny |
-0.1 ° C | 12.9 ° C | 6 ° C | % 49 | 13.3 km/h | 0% |
| 04 May 2026 Mon |  Partly Cloudy |
0.3 ° C | 13 ° C | 6.1 ° C | % 39 | 10.1 km/h | 0% |
| 05 May 2026 Tue | Patchy rain nearby |
2.4 ° C | 7.9 ° C | 5.1 ° C | % 62 | 11.5 km/h | 83% |
| 06 May 2026 Wed | Sunny |
-0 ° C | 14.2 ° C | 7.2 ° C | % 57 | 8.3 km/h | 0% |
| 07 May 2026 Thu |  Moderate rain |
3 ° C | 6.6 ° C | 5 ° C | % 87 | 7.9 km/h | 89% |
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