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
| 04 June 2026 Thu 15.3 ° C ( 59.5°F )  Partly Cloudy |
Feels Like : 15.3 ° C / 59.5°F Humidity : % 67 Pressure : 1013 mb Wind Speed : 3.6 kmph / 2.2 miles from NE 
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 |
|---|---|---|---|---|---|---|---|
| 04 June 2026 Thu |  Moderate rain |
3.3 ° C | 15.6 ° C | 8.6 ° C | % 74 | 11.5 km/h | 76% |
| 05 June 2026 Fri |  Patchy rain nearby |
3.1 ° C | 10.7 ° C | 6.3 ° C | % 81 | 7.2 km/h | 73% |
| 06 June 2026 Sat | Patchy rain nearby |
4.8 ° C | 16.6 ° C | 10.6 ° C | % 66 | 9.7 km/h | 73% |
| 07 June 2026 Sun | Patchy rain nearby |
5.1 ° C | 18.1 ° C | 11.6 ° C | % 70 | 11.2 km/h | 73% |
| 08 June 2026 Mon | Patchy rain nearby |
7 ° C | 21.1 ° C | 13.9 ° C | % 63 | 10.1 km/h | 73% |
| 09 June 2026 Tue | Patchy rain nearby |
6.5 ° C | 9.6 ° C | 8.3 ° C | % 92 | 8.6 km/h | 73% |
| 10 June 2026 Wed |  Sunny |
4.3 ° C | 20.8 ° C | 13 ° C | % 61 | 9.7 km/h | 1% |
| 11 June 2026 Thu | Sunny |
9.6 ° C | 25 ° C | 17.6 ° C | % 52 | 9.7 km/h | 1% |
| 12 June 2026 Fri | Patchy rain nearby |
12 ° C | 22.3 ° C | 15.9 ° C | % 67 | 9.7 km/h | 73% |
| 13 June 2026 Sat | Patchy rain nearby |
11.3 ° C | 22.6 ° C | 15.7 ° C | % 76 | 8.6 km/h | 73% |
| 14 June 2026 Sun | Patchy rain nearby |
10.1 ° C | 15.7 ° C | 12.5 ° C | % 86 | 9.4 km/h | 84% |
| 15 June 2026 Mon | Moderate rain |
3.4 ° C | 6.5 ° C | 5.9 ° C | % 96 | 8.6 km/h | 97% |
| 16 June 2026 Tue | Patchy rain nearby |
2.9 ° C | 6.3 ° C | 4.2 ° C | % 90 | 7.2 km/h | 80% |
| 17 June 2026 Wed | Sunny |
1.8 ° C | 17.2 ° C | 9.9 ° C | % 67 | 10.1 km/h | 2% |
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