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 March 2026 Sat 2.2 ° C ( 36°F )  Heavy snow |
Feels Like : 0.2 ° C / 32.4°F Humidity : % 87 Pressure : 1004 mb Wind Speed : 6.8 kmph / 4.3 miles from NW 
Visibility : 10 km Precipitation (rainfall) : 1.01 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 March 2026 Sat |  Light rain |
-6.3 ° C | -0.1 ° C | -2.3 ° C | % 93 | 10.8 km/h | 80% |
| 15 March 2026 Sun |  Light freezing rain |
-7.5 ° C | 0.8 ° C | -4 ° C | % 93 | 7.9 km/h | 84% |
| 16 March 2026 Mon |  Partly Cloudy |
-8 ° C | 1.4 ° C | -3.6 ° C | % 87 | 5.4 km/h | 0% |
| 17 March 2026 Tue |  Sunny |
-5.6 ° C | 6.2 ° C | 0 ° C | % 81 | 6.5 km/h | 0% |
| 18 March 2026 Wed | Sunny |
-2 ° C | 6.2 ° C | 1.3 ° C | % 79 | 7.6 km/h | 0% |
| 19 March 2026 Thu | Sunny |
-2.8 ° C | 6.3 ° C | -0.2 ° C | % 79 | 4.7 km/h | 0% |
| 20 March 2026 Fri |  Moderate or heavy snow showers |
-2.2 ° C | 3.3 ° C | -0.4 ° C | % 80 | 7.9 km/h | 61% |
| 21 March 2026 Sat |  Patchy rain nearby |
-5.7 ° C | 3.3 ° C | -1.7 ° C | % 75 | 16.2 km/h | 0% |
| 22 March 2026 Sun | Light freezing rain |
-3.1 ° C | 4.7 ° C | 0.4 ° C | % 73 | 16.2 km/h | 0% |
| 23 March 2026 Mon | Partly Cloudy |
-1.4 ° C | 6.8 ° C | 1.7 ° C | % 76 | 14.8 km/h | 0% |
| 24 March 2026 Tue | Patchy rain nearby |
-1.3 ° C | 7 ° C | 2.3 ° C | % 79 | 8.6 km/h | 86% |
| 25 March 2026 Wed | Patchy rain nearby |
0.5 ° C | 2.1 ° C | 1.1 ° C | % 95 | 4.7 km/h | 82% |
| 26 March 2026 Thu | Patchy rain nearby |
-0.9 ° C | 6.3 ° C | 2 ° C | % 77 | 10.1 km/h | 87% |
| 27 March 2026 Fri | Light freezing rain |
-2.4 ° C | 5 ° C | 0.8 ° C | % 86 | 8.6 km/h | 82% |
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