Sion weather — 10-day forecast
Temperature, rain, wind and feels-like in Sion, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 00:00 · Meteo-France AROME 1.3 km model
24 °C
Clear sky
Next 12 h
↓ 20°07:00↑ 28°12:00
- Humidity
- 44 %
- Dew point
- 11 °C
- Gusts
- 12.9 km/h
- Clouds
- 0 %
- Pressure
- 1,017 hPa ↑
Grid point 0.5 km away · 1.3 km grid · elevation 542 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by PM2.5
- PM2.5
- 15.3µg/m³▲
- PM10
- 15.8µg/m³
- Ozone
- 32.6µg/m³
- Nitrogen dioxide
- 12.0µg/m³
- Sulphur dioxide
- 0.2µg/m³
- Carbon monoxide
- 146.0µg/m³
- Dust (AOD)
- 0.01
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Clear sky22 %
32°
25°
Sat
Clear sky
33°
20°
Sun
Light drizzle86 %
35°
21°
Mon
Light drizzle86 %
30°
18°
Tue
Light drizzle68 %
29°
19°
Wed
Partly cloudy32 %
29°
17°
Thu
Light drizzle0 mm
25°
16°
Fri
Light drizzle1 mm
27°
16°
Sat
Clear sky
27°
16°
Sun
Light drizzle2 mm
23°
17°
Gusts · Sun 74.8 km/h · Sun 50.0 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:20
- Daylight
- 14 h 33
- Sunset
- 20:53
Radiation · 3.7 MJ/m²
Today in Sion the mean temperature will be 28.5 °C — +15.7 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Sion