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

14 °C

Overcast

Feels like 13 °C

0.4 km/hforce 0

Next 12 h

  • 0014°
  • 0114°
  • 0213°
  • 0313°
  • 0412°
  • 0512°
  • 0612°
  • 0712°
  • 07:55Sunrise
  • 0812°
  • 0912°
  • 1014°
  • 1116°
  • 1217°

↓ 12°07:00↑ 17°12:00

Humidity
59 %
Dew point
6 °C
Gusts
2.0 km/h
Clouds
100 %
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.

Reading from 02:00
16
Good

Index set by PM2.5

PM2.5
7.8µg/m³
PM10
8.8µg/m³
Ozone
31.4µg/m³
Nitrogen dioxide
9.7µg/m³
Sulphur dioxide
0.3µg/m³
Carbon monoxide
146.0µg/m³
Dust (AOD)
0.02

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

9 days

Each day's extremes and the chance of rain, out to the end of the run.

-7° → 21°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Overcast100 %

    21°

    12°

  • Wed

    Light rain100 %

    15°

    5°

  • Thu

    Light rain100 %

    9°

    1°

  • Fri

    Light drizzle96 %

    10°

    5°

  • Sat

    Light drizzle96 %

    5°

    1°

  • Sun

    Light rain27 mm

    8°

    1°

  • Mon

    Light drizzle3 mm

    8°

    4°

  • Tue

    Clear sky0 mm

    7°

    -7°

  • Wed

    Partly cloudy

    9°

    -2°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV2low
Sunrise
07:55
Daylight
10 h 41
Sunset
18:36

Radiation · 7.6 MJ/m²

Today in Sion the mean temperature will be 15.5 °C — +12.1 °C against the normal for 20 October, measured from 1940 to 2026. (1,290 obs.)

Sion climate — normals and trends →