Our 14 day weather forecast for Sion becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.

Sion 14 day forecast

Date	Temperatures		Wind
Wednesday, December 17	2 ° / -3 °	Patchy rain possible	6 Km/h
Thursday, December 18	3 ° / -3 °	Clear	10 Km/h
Friday, December 19	3 ° / -4 °	Clear	6 Km/h
Saturday, December 20	3 ° / -3 °	Overcast	9 Km/h
Sunday, December 21	4 ° / -1 °	Overcast	12 Km/h
Monday, December 22	3 ° / -1 °	Patchy rain possible	12 Km/h
Tuesday, December 23	3 ° / -2 °	Light freezing rain	10 Km/h
Wednesday, December 24	2 ° / -3 °	Light freezing rain	5 Km/h
Thursday, December 25	0 ° / -5 °	Sunny	3 Km/h
Friday, December 26	0 ° / -5 °	Partly cloudy	5 Km/h
Saturday, December 27	-1 ° / -6 °	Sunny	2 Km/h
Sunday, December 28	-2 ° / -8 °	Clear	5 Km/h
Monday, December 29	-4 ° / -9 °	Clear	3 Km/h
Tuesday, December 30	-4 ° / -9 °	Sunny	3 Km/h
Further Ahead

Sion 14 days – weather graph

The weather in Sion for the next 14 days - FAQ

What will the temperature be in Sion during the next 14 days?

The temperature will range between 4° C and -4° C. The hottest day in the next 2 weeks will be on December 21 and the coldest on December 29.

Will it rain at Sion in the next 14 days?

Yes, there will be around 1 days with rain and an overall rainfall of 0.2 mm.

Can I see more details about the weather in Sion on a specific day?

Yes, you can click on any of the days in the gallery above, or check today and tomorrow weather in Sion's pages.

Do you have a weather forecast for Sion for more than 14 days?

You can check the Sion long range weather page, it is not a forecast, but it can give you an idea of how the weather in Sion will be like (based on past weather information).

More about the weather in Sion