Weather WorldSion, Switzerland 14 Day Weather - WeatherWorld.com
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Sion, Switzerland Weather Forecast
Sion, Weather Forecast Dated: 439 PM Mon Aug 31 2026 (Sion Time)
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the next two weeks. generally humid conditions and a stable pattern will dominate.
Monday, August 31, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
61°F 16°C
Scattered Thunder Showers
Early-Evening
56°F 14°C
Scattered Showers
Cool with cloudy skies, steady humidity and steady pressure. Thunderstorms with heavy downpours at times.
Tuesday, September 1, 2026
Mid-Morning
49°F 10°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Cool with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure.
Wednesday, September 2, 2026
Mid-Morning
51°F 11°C
Cloudy
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Cool with mostly cloudy skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
Thursday, September 3, 2026
Mid-Morning
53°F 12°C
Partly Cloudy
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
64°F 18°C
Sunny
Warm with partly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
Friday, September 4, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
66°F 19°C
Sunny
Warm with mostly cloudy skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
61°F 16°C
Scattered Showers
Cool with mostly sunny skies in the morning, mostly sunny in the afternoon, and partly sunny in the evening, increasing humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
65°F 19°C
Sunny
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
Monday, September 7, 2026
Mid-Morning
62°F 16°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
68°F 20°C
Sunny
Warm with partly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
62°F 17°C
Scattered Showers
Mid-Afternoon
71°F 22°C
Nearby Thunderstorms
Early-Evening
65°F 19°C
Light Showers
Warm with cloudy skies, steady humidity and barometric pressure falling. Isolated thunderstorms possible.
Wednesday, September 9, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
59°F 15°C
Light Showers
Early-Evening
54°F 13°C
Light Showers
Cool with a mix of sun and clouds, increasing humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
51°F 11°C
Light Showers
Mid-Afternoon
55°F 13°C
Light Showers
Early-Evening
49°F 10°C
Light Showers
Cool with a mix of sun and clouds, steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
49°F 9°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Light Showers
Early-Evening
51°F 11°C
Light Showers
Cool with a mix of sun and clouds, steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
49°F 9°C
Scattered Showers
Mid-Afternoon
56°F 14°C
Scattered Showers
Early-Evening
54°F 12°C
Scattered Showers
Cool with a mix of sun and clouds, steady humidity and steady pressure. A stray shower possible.
Sunday, September 13, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
59°F 15°C
Sunny
Cool with a mix of sun and clouds, steady humidity and steady pressure. Isolated showers.
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