 |
 Current Sion Weather Conditions |
Updated May 17th at 4:50 am |
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| Temperature: | 3°C |
Dew Point: | 0°C |
| Barometer: | 101.6 kPa |
Wind: | N 7 Km/h |
| Humidity: | 80.6% |
Visibility: | n/a |
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| Sion Weather Forecast Summary |
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Today
May 17th
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Monday
May 18th
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Tuesday
May 19th
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Wednesday
May 20th
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Thursday
May 21st
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Mix of Cloud and Sun |
Flurries |
Cloudy |
Mostly Sunny |
Mostly Sunny |
1°C
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-1°C
-3°C |
1°C
-7°C |
5°C
-1°C |
9°C
-2°C |
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| Sion Detailed Weather Forecast |
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| Sunday, May 17th, 2026 |
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Morning |
Temperature: -3°C |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 0°C |
| Mostly cloudy with a slight chance of flurries or showers. Risk of freezing rain. |
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Evening |
Temperature: -2°C |
| Mostly cloudy with a chance of flurries. |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: -3°C |
| Cloudy with a slight chance of flurries. |
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Morning |
Temperature: -2°C |
| Mostly cloudy with a chance of flurries. |
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Afternoon |
Temperature: -1°C |
| Cloudy with a few flurries. Slight chance of a thunderstorm. |
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Evening |
Temperature: -3°C |
| Cloudy with flurries likely. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: -7°C |
| Cloudy. |
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Morning |
Temperature: -2°C |
| Cloudy with sunny periods. |
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Afternoon |
Temperature: 1°C |
| Cloudy with a chance of flurries or showers. |
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Evening |
Temperature: 0°C |
| Mostly cloudy with a chance of flurries or showers. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: -1°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 0°C |
| Mostly sunny. |
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Afternoon |
Temperature: 5°C |
| A mix of sun and cloud. Windy at times. |
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Evening |
Temperature: 1°C |
| Mostly clear. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: -2°C |
| Mostly clear. |
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Morning |
Temperature: 4°C |
| Mostly sunny. |
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Afternoon |
Temperature: 9°C |
| Sunny. |
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Evening |
Temperature: 3°C |
| Mostly clear. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: -1°C |
| Clear. |
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Morning |
Temperature: 8°C |
| Sunny. |
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Afternoon |
Temperature: 12°C |
| Sunny. |
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Evening |
Temperature: 5°C |
| Clear. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 5°C |
| A mix of clear and cloudy skies. |
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Morning |
Temperature: 7°C |
| Mostly sunny. |
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Afternoon |
Temperature: 9°C |
| Mostly cloudy with a chance of showers. |
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Evening |
Temperature: 2°C |
| Mostly cloudy with a few showers. Showers possibly mixed with wet flurries. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 2°C |
| Mostly clear with a chance of flurries or showers. Risk of freezing rain. |
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Morning |
Temperature: 6°C |
| Mostly sunny. |
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Afternoon |
Temperature: 10°C |
| A mix of sun and cloud. |
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Evening |
Temperature: 4°C |
| Cloudy with clear periods with a slight chance of showers. Showers possibly mixed with wet flurries. |
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