Weather forecast for 10 daysSion, France

Weather forecast for the weekend

Sunday 25. Oct 2026

  • 19°C
  • 13°C
PM Light Rain
PM Light Rain
  • Precip. probability: 57%
  • Precipitation: 1mm
  • Wind: 29km/hWSW 257°
  • Humidity: 74%
  • UV index: 1
  • Sunrise: 07:26 CET
  • Sunset: 18:01 CET
  • ▼
Today, soft, steady rain will linger into the late afternoon hours.
Minimal precipitation is expected. The temperature variation is predicted to range from a maximum of a comfortable 19°C to a minimum of a refreshing 13°C.
The forecasted maximum temperature will closely reflect October's average high of 20.5°C.
Sunrise was at 07:26 and sunset will be at 18:01; the daylight will last for 10h and 34min.

10-day overview

Daily temperatures

Warmest period: tomorrow - Tuesday 23°C.
Coldest period: Sunday - Monday 15°C.

Chance of precipitation

Highest chance: today 57%.

Long-term weather forecast

  • Sunday
  • 25. Oct 2026
  • 19°C
  • 13°C
PM Light Rain
PM Light Rain
  • Precip. probability: 57%
  • Precipitation: 1mm
  • Wind: 29km/hWSW 257°
  • Humidity: 74%
  • UV index: 1
  • Sunrise: 07:26 CET
  • Sunset: 18:01 CET
  • ▼
  • Monday
  • 26. Oct 2026
  • 23°C
  • 10°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 11km/hESE 113°
  • Humidity: 80%
  • UV index: 3
  • Sunrise: 07:28 CET
  • Sunset: 17:59 CET
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 23°C
  • 10°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 14km/hW 267°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 07:29 CET
  • Sunset: 17:58 CET
  • ▼
  • Wednesday
  • 28. Oct 2026
  • 18°C
  • 6°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 9km/hNNE 33°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 07:30 CET
  • Sunset: 17:56 CET
  • ▼
  • Thursday
  • 29. Oct 2026
  • 20°C
  • 7°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 10km/hE 96°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 07:32 CET
  • Sunset: 17:55 CET
  • ▼
  • Friday
  • 30. Oct 2026
  • 20°C
  • 9°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 8km/hE 91°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 07:33 CET
  • Sunset: 17:53 CET
  • ▼
  • Saturday
  • 31. Oct 2026
  • 18°C
  • 8°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 11km/hWNW 284°
  • Humidity: 78%
  • UV index: 3
  • Sunrise: 07:34 CET
  • Sunset: 17:52 CET
  • ▼
  • Sunday
  • 1. Nov 2026
  • 15°C
  • 6°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 10km/hWNW 303°
  • Humidity: 78%
  • UV index: 2
  • Sunrise: 07:35 CET
  • Sunset: 17:51 CET
  • ▼
  • Monday
  • 2. Nov 2026
  • 15°C
  • 5°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 9km/hWNW 300°
  • Humidity: 79%
  • UV index: 2
  • Sunrise: 07:37 CET
  • Sunset: 17:49 CET
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 16°C
  • 6°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 10km/hESE 108°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 07:38 CET
  • Sunset: 17:48 CET
  • ▼
It is expected that primarily cloud-filled and occasionally showery weather is predicted.
With a probability of 57%, rainfall is expected only today. Forecasted precipitation will be minimal at 1mm.
Noticeable swings in temperature are expected in the next ten days. Highs will range from 15°C to 23°C, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 5°C to 13°C.
With a maximum temperature of 23°C, Monday and Tuesday will be the warmest days in Sion; next Sunday and Monday, with the highest temperature of 15°C, will be the coldest days in Sion.
Updated: Oct 25, 2026 @ 11:04:41 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, light rain and overcast skies will set the tone for the afternoon.

There is a high likelihood of rainfall, but precipitation will be minimal.

Today, the highest temperature will be 19°C, while the lowest temperature will be 13°C.
The highest temperature will be in line with the average maximum of 20.5°C in October. The lowest temperature will be moderately higher than the average low of 10.6°C.

On Sunday, in Sion, sunrise was at 07:26 and sunset will be at 18:01 (CET).

Today in Sion, the daylight will last for 10h and 34min.