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
| 03 August 2026 Mon 14.6 ° C ( 58.4°F )  Patchy rain nearby |
Feels Like : 14.7 ° C / 58.5°F Humidity : % 89 Pressure : 1018 mb Wind Speed : 4.3 kmph / 2.7 miles from E 
Visibility : 9 km Precipitation (rainfall) : 0.18 mm Cloud (%) : 76 |
15-day weather forecast for Sion Airport, Sion, Switzerland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 August 2026 Mon | Patchy rain nearby |
12.5 ° C | 26.1 ° C | 17.5 ° C | % 66 | 11.2 km/h | 58% |
| 04 August 2026 Tue | Patchy rain nearby |
12.2 ° C | 24.5 ° C | 16.4 ° C | % 72 | 10.1 km/h | 70% |
| 05 August 2026 Wed |  Sunny |
11.5 ° C | 22.6 ° C | 16 ° C | % 76 | 8.3 km/h | 71% |
| 06 August 2026 Thu | Sunny |
11.3 ° C | 22.7 ° C | 15.4 ° C | % 78 | 12.6 km/h | 75% |
| 07 August 2026 Fri | Patchy rain nearby |
10.5 ° C | 19.8 ° C | 14.8 ° C | % 79 | 10.8 km/h | 48% |
| 08 August 2026 Sat | Sunny |
9.9 ° C | 21.8 ° C | 15.5 ° C | % 70 | 9.7 km/h | 9% |
| 09 August 2026 Sun | Sunny |
11.5 ° C | 24.1 ° C | 17.5 ° C | % 60 | 7.9 km/h | 17% |
| 10 August 2026 Mon | Sunny |
12.6 ° C | 25.9 ° C | 18.4 ° C | % 57 | 8.6 km/h | 36% |
| 11 August 2026 Tue | Patchy rain nearby |
12.1 ° C | 23.2 ° C | 17.1 ° C | % 65 | 8.3 km/h | 57% |
| 12 August 2026 Wed | Sunny |
11.5 ° C | 23.3 ° C | 17.1 ° C | % 63 | 8.6 km/h | 36% |
| 13 August 2026 Thu | Sunny |
12.1 ° C | 24.4 ° C | 18 ° C | % 56 | 8.3 km/h | 3% |
| 14 August 2026 Fri | Sunny |
12.8 ° C | 24.5 ° C | 18.3 ° C | % 55 | 9.4 km/h | 3% |
| 15 August 2026 Sat | Sunny |
12.8 ° C | 25.7 ° C | 18.7 ° C | % 49 | 7.2 km/h | 2% |
| 16 August 2026 Sun | Sunny |
12.3 ° C | 24.7 ° C | 17.9 ° C | % 52 | 9.7 km/h | 59% |
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