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
| 14 July 2026 Tue 25.1 ° C ( 77.2°F )  Sunny |
Feels Like : 26.2 ° C / 79.2°F Humidity : % 51 Pressure : 1019 mb Wind Speed : 3.6 kmph / 2.2 miles from NNE 
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 |
|---|---|---|---|---|---|---|---|
| 14 July 2026 Tue |  Patchy rain nearby |
12.5 ° C | 24.4 ° C | 18.5 ° C | % 58 | 10.4 km/h | 57% |
| 15 July 2026 Wed | Patchy rain nearby |
12.1 ° C | 26.3 ° C | 17.2 ° C | % 67 | 12.2 km/h | 71% |
| 16 July 2026 Thu | Sunny |
11.6 ° C | 26.6 ° C | 17.4 ° C | % 64 | 13 km/h | 60% |
| 17 July 2026 Fri | Patchy rain nearby |
11.9 ° C | 24.1 ° C | 16.6 ° C | % 66 | 13.3 km/h | 72% |
| 18 July 2026 Sat | Patchy rain nearby |
9.2 ° C | 18.9 ° C | 14 ° C | % 75 | 9.7 km/h | 74% |
| 19 July 2026 Sun | Patchy rain nearby |
8.3 ° C | 18 ° C | 13.2 ° C | % 69 | 9 km/h | 17% |
| 20 July 2026 Mon | Sunny |
6.3 ° C | 16.7 ° C | 11.7 ° C | % 68 | 11.2 km/h | 57% |
| 21 July 2026 Tue | Sunny |
3.4 ° C | 15.6 ° C | 9.3 ° C | % 59 | 13.3 km/h | 3% |
| 22 July 2026 Wed | Sunny |
3.2 ° C | 18.1 ° C | 10.8 ° C | % 49 | 10.1 km/h | 2% |
| 23 July 2026 Thu | Sunny |
6.7 ° C | 18.1 ° C | 12.5 ° C | % 57 | 10.8 km/h | 4% |
| 24 July 2026 Fri | Sunny |
7.2 ° C | 21.8 ° C | 14.5 ° C | % 60 | 10.4 km/h | 4% |
| 25 July 2026 Sat | Sunny |
11.2 ° C | 25.1 ° C | 17.8 ° C | % 55 | 8.3 km/h | 4% |
| 26 July 2026 Sun | Sunny |
11.7 ° C | 23.3 ° C | 16.8 ° C | % 63 | 11.5 km/h | 60% |
| 27 July 2026 Mon | Sunny |
9.2 ° C | 26 ° C | 17.3 ° C | % 61 | 11.2 km/h | 6% |
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