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 22.4 ° C ( 72.3°F )  Patchy rain nearby |
Feels Like : 21.7 ° C / 71.1°F Humidity : % 45 Pressure : 1017 mb Wind Speed : 4 kmph / 2.5 miles from E 
Visibility : 10 km Precipitation (rainfall) : 0.04 mm Cloud (%) : 81 |
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 | 25.4 ° C | 17.3 ° C | % 66 | 15.1 km/h | 66% |
| 04 August 2026 Tue |  Sunny |
12.3 ° C | 25.1 ° C | 16.5 ° C | % 72 | 10.8 km/h | 70% |
| 05 August 2026 Wed | Sunny |
11.8 ° C | 24.4 ° C | 16.4 ° C | % 72 | 7.9 km/h | 68% |
| 06 August 2026 Thu | Patchy rain nearby |
12.2 ° C | 20.9 ° C | 16.1 ° C | % 76 | 8.3 km/h | 72% |
| 07 August 2026 Fri | Patchy rain nearby |
10.1 ° C | 21.4 ° C | 15.2 ° C | % 80 | 9.7 km/h | 70% |
| 08 August 2026 Sat | Sunny |
10.5 ° C | 24.4 ° C | 16.8 ° C | % 67 | 6.1 km/h | 57% |
| 09 August 2026 Sun | Sunny |
10.9 ° C | 22.3 ° C | 16.4 ° C | % 71 | 8.6 km/h | 70% |
| 10 August 2026 Mon |  Patchy light rain in area with thunder |
9.9 ° C | 18.3 ° C | 14.2 ° C | % 80 | 9.4 km/h | 84% |
| 11 August 2026 Tue | Sunny |
9.2 ° C | 18.4 ° C | 13 ° C | % 71 | 8.6 km/h | 36% |
| 12 August 2026 Wed | Sunny |
7.3 ° C | 19.2 ° C | 13 ° C | % 62 | 8.3 km/h | 4% |
| 13 August 2026 Thu | Sunny |
8 ° C | 21.6 ° C | 14.3 ° C | % 56 | 7.9 km/h | 3% |
| 14 August 2026 Fri | Sunny |
9.4 ° C | 22.7 ° C | 15.6 ° C | % 51 | 9.4 km/h | 2% |
| 15 August 2026 Sat | Sunny |
10.6 ° C | 22.1 ° C | 15.2 ° C | % 58 | 10.1 km/h | 57% |
| 16 August 2026 Sun | Sunny |
8.6 ° C | 18.6 ° C | 13.5 ° C | % 61 | 9 km/h | 5% |
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