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
| 13 November 2026 Fri 10 ° C ( 49.9°F )  Cloudy |
Feels Like : 10.2 ° C / 50.4°F Humidity : % 87 Pressure : 998 mb Wind Speed : 3.6 kmph / 2.2 miles from NW 
Visibility : 10 km Precipitation (rainfall) : 0.26 mm Cloud (%) : 75 |
15-day weather forecast for Sion Airport, Sion, Switzerland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 November 2026 Fri |  Sunny |
-3.4 ° C | 3 ° C | 0.6 ° C | % 84 | 5 km/h | 77% |
| 14 November 2026 Sat | Sunny |
-3.5 ° C | 5.5 ° C | -0.6 ° C | % 61 | 6.1 km/h | 5% |
| 15 November 2026 Sun |  Light freezing rain |
-2.6 ° C | 5.2 ° C | 0.4 ° C | % 75 | 6.5 km/h | 42% |
| 16 November 2026 Mon |  Light drizzle |
-2.8 ° C | 0.8 ° C | -1.1 ° C | % 91 | 5 km/h | 92% |
| 17 November 2026 Tue | Light freezing rain |
-3.7 ° C | 2.2 ° C | -1 ° C | % 87 | 7.6 km/h | 90% |
| 18 November 2026 Wed |  Light rain |
-2 ° C | 0.7 ° C | -0.9 ° C | % 94 | 7.9 km/h | 93% |
| 19 November 2026 Thu | Light rain |
-4.3 ° C | 0.1 ° C | -2.1 ° C | % 90 | 6.1 km/h | 92% |
| 20 November 2026 Fri |  Light rain shower |
-7.7 ° C | -0.5 ° C | -3.3 ° C | % 89 | 4 km/h | 89% |
| 21 November 2026 Sat |  Partly Cloudy |
-8.7 ° C | 0.9 ° C | -4.7 ° C | % 80 | 4.3 km/h | 77% |
| 22 November 2026 Sun | Light freezing rain |
-7.1 ° C | 1 ° C | -3.6 ° C | % 72 | 5.4 km/h | 75% |
| 23 November 2026 Mon | Light drizzle |
-4.6 ° C | -0.5 ° C | -2.8 ° C | % 91 | 4 km/h | 93% |
| 24 November 2026 Tue | Light freezing rain |
-7.6 ° C | -1.8 ° C | -4.7 ° C | % 88 | 2.2 km/h | 76% |
| 25 November 2026 Wed |  Patchy light drizzle |
-9.1 ° C | -2.9 ° C | -6.3 ° C | % 74 | 2.9 km/h | 80% |
| 26 November 2026 Thu |  Heavy snow |
-7.9 ° C | -2.9 ° C | -5.7 ° C | % 83 | 5.8 km/h | 84% |
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