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Sion Weather Forecast

Temperature, wind, rain and more for Sion

Switzerland

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 16
Sep		13:00

WNW
WNW

 5 / 6 mph 80 / 79°F 54% 1020 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 5 / 8 mph 77 / 78°F 64% 1018 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 6%
Most Significant Cloud Type: medium
15%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
19:00

NW
NW

 2 / 3 mph 55 / 54°F 88% 1019 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 5%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

E
E

 1 / 1 mph 51 / 51°F 90% 1020 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 10%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 17
Sep		01:00

ESE
ESE

 1 / 2 mph 49 / 49°F 91% 1020 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 7%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

 1 / 2 mph 48 / 48°F 92% 1019 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 51%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

 1 / 2 mph 48 / 48°F 88% 1019 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 19%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

 2 / 2 mph 74 / 76°F 65% 1018 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 17%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

 4 / 5 mph 78 / 78°F 49% 1016 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 13%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 6 / 7 mph 77 / 77°F 54% 1016 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 12%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 3 / 6 mph 53 / 52°F 85% 1017 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 16%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 1 / 2 mph 48 / 48°F 89% 1018 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 18%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In

Other Locations Near to Sion

The 7 day weather forecast summary for Sion:

Reviewing the forecast for Sion Over the next 7 days and the average daytime maximum temperature will be around 25°C, with a high for the week of 26°C expected on the afternoon of Monday 16th. The mean minimum temperature will be 7°C, dipping to its lowest on the morning of Friday 20th at 5°C. The coming week will have mostly dry days although Monday 16th and Sunday 22nd are likely to see a little rain. Predictions are Monday 20th will have the most precipitation with an accumulation of around 4.0mm. On the whole winds are likely to be light.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure