Sion Weather Conditions
Current Temperature Level
23 °C
63 AQI
Air quality index is: Moderate
Last Updated: 2025-08-10 10:00 (Local Time)
MapSion
Sion Weather Parameters
5 km/h
2 m/s
319° NW
0 %
10 km
0 mm
1025 mb
UV Index4
Suggestions for
TodaySion10 Aug.
Umbrella• Optional
Clothing• Layering Must
Driving• Enjoy Driving
Sunscreen• ApplyTrending in Switzerland
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Sion 10-Days Weather Forecast
Today
19°C
54 %Monday
20°C61 %Tuesday
19°C59 %Wednesday
19°C51 %Thursday
15°C66 %Friday
17°C64 %Saturday
18°C59 %Sunday
19°C51 %Monday
16°C69 %Tuesday
12°C89 %Sunny
Clear Sky with temperature at 19 °C and humidity will be at 54% with 10.4 km/h winds.26°C / 14°C
Humi.54 %
Prec.0 mm
Sunrise
06:23 AM14hrs 24min
Sunset
08:47 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
15 °C
57 %
0
5 kmph / ESE
Clear 
Feels 15.3 °C
Cover 3 %
Visibility 10 km
1 AM
Clear
15 °C
55 %
0
5.4 kmph / E
Clear Feels 15 °C
Cover 3 %
Visibility 10 km
2 AM
Clear
15 °C
55 %
0
5.4 kmph / E
Clear Feels 14.8 °C
Cover 3 %
Visibility 10 km
3 AM
Clear
14 °C
54 %
0
5.4 kmph / E
Clear Feels 14.6 °C
Cover 3 %
Visibility 10 km
4 AM
Clear
14 °C
53 %
0
5 kmph / E
Clear Feels 14.4 °C
Cover 2 %
Visibility 10 km
5 AM
Clear
14 °C
54 %
0
4 kmph / E
Clear Feels 14.5 °C
Cover 3 %
Visibility 10 km
6 AM
Clear
14 °C
56 %
0
3.2 kmph / ENE
Clear Feels 15.1 °C
Cover 4 %
Visibility 10 km
7 AM
Sunny
17 °C
58 %
0.1
2.2 kmph / E
SunnyFeels 17 °C
Cover 5 %
Visibility 10 km
8 AM
Sunny
20 °C
48 %
0.6
0.4 kmph / E
SunnyFeels 19.6 °C
Cover 5 %
Visibility 10 km
9 AM
Sunny
22 °C
43 %
1.7
2.2 kmph / NW
SunnyFeels 21.6 °C
Cover 5 %
Visibility 10 km
10 AM
Sunny
23 °C
53 %
3.5
5 kmph / NW
SunnyFeels 24.4 °C
Cover 0 %
Visibility 10 km
11 AM
Sunny
24 °C
39 %
5.6
5.4 kmph / WNW
SunnyFeels 24.9 °C
Cover 7 %
Visibility 10 km
12 PM
Sunny
25 °C
37 %
7.5
6.1 kmph / WNW
SunnyFeels 25.2 °C
Cover 9 %
Visibility 10 km
1 PM
Sunny
26 °C
35 %
8.6
7.2 kmph / WNW
SunnyFeels 25.4 °C
Cover 9 %
Visibility 10 km
2 PM
Sunny
26 °C
34 %
8.7
8.6 kmph / NW
SunnyFeels 25.5 °C
Cover 8 %
Visibility 10 km
3 PM
Sunny
26 °C
36 %
7.6
10.1 kmph / NW
SunnyFeels 25.5 °C
Cover 9 %
Visibility 10 km
4 PM
Sunny
25 °C
39 %
5.7
10.4 kmph / NW
SunnyFeels 25.3 °C
Cover 12 %
Visibility 10 km
5 PM
Sunny
24 °C
45 %
3.5
10.1 kmph / NW
SunnyFeels 25 °C
Cover 14 %
Visibility 10 km
6 PM
Sunny
22 °C
55 %
1.7
7.9 kmph / NW
SunnyFeels 24.6 °C
Cover 13 %
Visibility 10 km
7 PM
Sunny
19 °C
71 %
0.6
5.4 kmph / NW
SunnyFeels 19.4 °C
Cover 12 %
Visibility 10 km
8 PM
Sunny
16 °C
80 %
0.1
2.2 kmph / NNE
SunnyFeels 16.4 °C
Cover 10 %
Visibility 10 km
9 PM
Clear
16 °C
82 %
0
4 kmph / E
Clear Feels 15.7 °C
Cover 8 %
Visibility 10 km
10 PM
Clear
16 °C
81 %
0
5 kmph / ESE
Clear Feels 15.5 °C
Cover 7 %
Visibility 10 km
11 PM
Clear
15 °C
80 %
0
5.4 kmph / ESE
Clear Feels 15.3 °C
Cover 6 %
Visibility 10 km
Today
19°C54 %Monday
20°C61 %Tuesday
19°C59 %Wednesday
19°C51 %Thursday
15°C66 %Friday
17°C64 %Saturday
18°C59 %Sunday
19°C51 %Monday
16°C69 %Tuesday
12°C89 %Temp24 °C
ConditionSunny
Humidity39 %
Feels24.9 °C
Cover7 %
Visibility10 km
Wind Speed & Dir.5.4 kmph / WNW
UV5.6
Sion 30-Days (August 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Fri.
16°6 °C
2Sat.
14°5 °C
3Sun.
16°4 °C
4Mon.
20°5 °C
5Tue.
21°10 °C
6Wed.
21°9 °C
7Thu.
23°9 °C
8Fri.
25°11 °C
9Sat.
26°13 °C
10Today
27°14 °C
11Mon.
27°14 °C
12Tue.
26°13 °C
13Wed.
27°13 °C
14Thu.
25°13 °C
15Fri.
25°13 °C
16Sat.
25°13 °C
17Sun.
21°11 °C
18Mon.
17°10 °C
19Tue.
9°6 °C
20Wed.
19°6 °C
21Thu.
20°7 °C
22Fri.
21°9 °C
23Sat.
22°12 °C
24Sun.
22°13 °C
25Mon.
21°11 °C
26Tue.
21°11 °C
27Wed.
20°11 °C
28Thu.
20°10 °C
29Fri.
19°10 °C
30Sat.
18°10 °C
31Sun.
18°9 °C
AugustWeather Overview
No. of days:
Sunny
7
Cloudy
1
Rainy
23
Snowy
0
The monthly weather averages in Sion consist of 7 sunny days, 1 cloudy days, 23 rainy days, and 0 snowy days.
Sion's Locations Weather Conditions
Switzerland's Hottest Cities - August 2025
1.
Morges, Switzerland
Sunny
48%
3.1
8.3 kmph / N
2.
Bellinzona, Switzerland
Sunny
74%
3.5
3.6 kmph / NE
3.
Lugano, Switzerland
Sunny
74%
3.4
3.6 kmph / S
4.
Thonex, Switzerland
Sunny
54%
3
8.3 kmph / NNE
5.
Lausanne, Switzerland
Sunny
54%
3.1
9.7 kmph / NNE
6.
Rotkreuz, Switzerland
Sunny
65%
3.3
6.5 kmph / N
7.
Zurich, Switzerland
Sunny
61%
3.3
5.4 kmph / NNE
8.
Riehen, Switzerland
Sunny
61%
3.2
6.8 kmph / NNW
9.
Biel Bienne, Switzerland
Sunny
74%
3.2
7.9 kmph / NE
10.
Binningen, Switzerland
Sunny
61%
3.2
6.8 kmph / NNW
Last Updated: 10 Aug 2025, 08:36 AM
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