Valais

Weather in Sion

Current conditions and a seven-day outdoor forecast for Sion, Switzerland.

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Current weather

23°

Mainly clear

Feels like 20° · High / low 23° / 12°

Rain now0 mm
Wind19 km/h
Gusts27 km/h
Humidity44%
UV index4
Pressure960 hPa

Outdoor conditions today

Overcast

Conditions can change through the day, especially at altitude. Check the hourly breakdown below before setting out.

Rain chance0%
Max wind22 km/h
Gusts36 km/h
UV index5
Mountain conditions can change quickly

Next hours

Hourly forecast

Now

22°

Rain 0%

Wind 22 km/h

17:00

22°

Rain 0%

Wind 21 km/h

18:00

21°

Rain 0%

Wind 17 km/h

19:00

19°

Rain 0%

Wind 8 km/h

20:00

16°

Rain 0%

Wind 1 km/h

21:00

15°

Rain 0%

Wind 6 km/h

22:00

15°

Rain 0%

Wind 6 km/h

23:00

14°

Rain 0%

Wind 5 km/h

Seven-day outlook

7-day outdoor forecast

Today18 Sep
Overcast 12° / 23° Rain 0%
Wind22 km/h
Gusts36 km/h
UV index5
Rain chance0%
Saturday19 Sep
Overcast 12° / 25° Rain 0%
Wind15 km/h
Gusts23 km/h
UV index5
Rain chance0%
Sunday20 Sep
Overcast 14° / 28° Rain 0%
Wind15 km/h
Gusts29 km/h
UV index5
Rain chance0%
Monday21 Sep
Overcast 15° / 27° Rain 0%
Wind12 km/h
Gusts24 km/h
UV index5
Rain chance0%
Tuesday22 Sep
Clear sky 15° / 27° Rain 0%
Wind14 km/h
Gusts25 km/h
UV index5
Rain chance0%
Wednesday23 Sep
Overcast 14° / 28° Rain 12%
Wind9 km/h
Gusts26 km/h
UV index5
Rain chance12%
Thursday24 Sep
Overcast 14° / 20° Rain 17%
Wind11 km/h
Gusts30 km/h
UV index4
Rain chance17%
Forecasts do not replace local mountain information.

Conditions can vary significantly with altitude, terrain and exposure. Check official warnings, trail status and avalanche information where relevant. Weather data by Open-Meteo.com.