Sion Weather Conditions

Current Temperature Level

sunny
17°C
26°C12°C
Cool

Sunny

Feels Like 16°C

Chances of Rain4%

Good

21AQI

Humidity

60%

Nowsunny17°4%10 AMsunny20°2%11 AMsunny22°1%12 PMsunny24°1%1 PMsunny25°1%2 PMsunny26°1%3 PMpatchy rain possible26°7%4 PMsunny25°1%5 PMsunny25°1%6 PMpatchy rain possible24°7%7 PMpatchy rain possible22°17%8 PMpatchy light rain with thunder19°36%9 PMmoderate rain at times14°88%10 PMlight rain shower13°46%11 PMpartly cloudy13°17%12 AMclear13°14%1 AMclear13°12%2 AMclear13°11%3 AMclear12°11%4 AMclear12°10%5 AMclear12°10%6 AMclear12°10%7 AMsunny12°9%8 AMsunny15°8%
.

It is likely to be sunny; sun protection may help.

Last Updated: 2026-08-09 09:15 (Local Time)

Sion Weather Parameters

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Sion 10-Days Weather Forecast

See Monthly
Today9 Aug.


Sunny

Sunny

Clear Sky with temperature at 18 °C and humidity will be at 59% with 11.5 km/h winds.


temperature icon

26°C  /  12°C

temperature iconHumi.59 %
temperature iconPrec.8.02 mm


Sunrise icon

Sunrise

06:22 AM

14hrs 27min

Sunset icon

Sunset

08:49 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

ClearClear

14 °C

75 %

0

6.5 kmph /  ESE

Feels Like IconFeels 13 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

1 AM

ClearClear

14 °C

75 %

0

6.5 kmph /  ESE

Feels Like IconFeels 12 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

2 AM

Patchy rain nearbyPatchy rain nearby

13 °C

77 %

0

7.2 kmph /  ESE

Feels Like IconFeels 12 °C

Temperature IconCover 75 %

Visibility IconVisibility 10 km

3 AM

ClearClear

13 °C

78 %

0

7.6 kmph /  ESE

Feels Like IconFeels 12 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

4 AM

ClearClear

13 °C

79 %

0

7.9 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

5 AM

ClearClear

13 °C

78 %

0

7.6 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 6 %

Visibility IconVisibility 10 km

6 AM

ClearClear

12 °C

77 %

0

7.6 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 9 %

Visibility IconVisibility 10 km

7 AM

SunnySunny

13 °C

76 %

0.1

7.6 kmph /  E

Feels Like IconFeels 11 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

8 AM

SunnySunny

15 °C

72 %

0.6

5.8 kmph /  E

Feels Like IconFeels 14 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

9 AM

SunnySunny

17 °C

60 %

1.6

5 kmph /  E

Feels Like IconFeels 16 °C

Temperature IconCover 3 %

Visibility IconVisibility 10 km

10 AM

SunnySunny

20 °C

51 %

3.2

2.9 kmph /  ENE

Feels Like IconFeels 19 °C

Temperature IconCover 3 %

Visibility IconVisibility 10 km

11 AM

SunnySunny

22 °C

42 %

5.2

1.1 kmph /  NNE

Feels Like IconFeels 21 °C

Temperature IconCover 2 %

Visibility IconVisibility 10 km

12 PM

SunnySunny

24 °C

33 %

7.1

2.2 kmph /  WNW

Feels Like IconFeels 23 °C

Temperature IconCover 18 %

Visibility IconVisibility 10 km

1 PM

SunnySunny

25 °C

28 %

8.2

4 kmph /  W

Feels Like IconFeels 23 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

2 PM

SunnySunny

26 °C

26 %

8.2

3.6 kmph /  W

Feels Like IconFeels 24 °C

Temperature IconCover 15 %

Visibility IconVisibility 10 km

3 PM

Patchy rain nearbyPatchy rain nearby

26 °C

25 %

6.5

4.7 kmph /  WNW

Feels Like IconFeels 24 °C

Temperature IconCover 80 %

Visibility IconVisibility 10 km

4 PM

SunnySunny

25 °C

27 %

3.6

6.5 kmph /  NW

Feels Like IconFeels 23 °C

Temperature IconCover 3 %

Visibility IconVisibility 10 km

5 PM

SunnySunny

25 °C

29 %

3.1

6.8 kmph /  NW

Feels Like IconFeels 23 °C

Temperature IconCover 3 %

Visibility IconVisibility 10 km

6 PM

Patchy rain nearbyPatchy rain nearby

24 °C

33 %

1.2

7.6 kmph /  NW

Feels Like IconFeels 22 °C

Temperature IconCover 74 %

Visibility IconVisibility 10 km

7 PM

Patchy rain nearbyPatchy rain nearby

22 °C

46 %

0.5

7.2 kmph /  NW

Feels Like IconFeels 21 °C

Temperature IconCover 87 %

Visibility IconVisibility 10 km

8 PM

Patchy light rain in area with thunderPatchy light rain in area with thunder

19 °C

58 %

0.1

5.8 kmph /  W

Feels Like IconFeels 18 °C

Temperature IconCover 86 %

Visibility IconVisibility 10 km

9 PM

RainRain

14 °C

89 %

0

11.5 kmph /  WSW

Feels Like IconFeels 12 °C

Temperature IconCover 87 %

Visibility IconVisibility 8 km

10 PM

Rain ShowerRain Shower

13 °C

95 %

0

6.8 kmph /  E

Feels Like IconFeels 12 °C

Temperature IconCover 62 %

Visibility IconVisibility 10 km

11 PM

Partly CloudyPartly Cloudy

13 °C

92 %

0

3.6 kmph /  SE

Feels Like IconFeels 13 °C

Temperature IconCover 26 %

Visibility IconVisibility 10 km

Temp17 °C


ConditionSunny


Humidity60 %

Feels16 °C


Cover3 %


Visibility10 km

Wind Speed & Dir.5 kmph /  E


UV1.6

Sion 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain nearby22°12°
2
Sunny25°12°
3
Patchy rain nearby26°13°
4
Sunny25°12°
5
Patchy rain nearby23°12°
6
Patchy rain nearby20°12°
7
Sunny21°10°
8
Sunny24°10°
9Today
Sunny25°12°
10
Sunny25°12°
11
Patchy rain nearby25°12°
12
Sunny24°12°
13
Sunny25°12°
14
Patchy rain nearby25°13°
15
Sunny26°13°
16
Rain Showers23°13°
17
Rain Showers23°13°
18
Rain Showers23°13°
19
Rain Showers23°13°
20
Rain Showers23°13°
21
Rain24°13°
22
Rain Showers24°13°
23
Rain Showers24°13°
24
Rain Showers24°14°
25
Rain Showers23°12°
26
Rain Showers23°13°
27
Rain Showers22°12°
28
Rain Showers22°12°
29
Rain Showers21°12°
30
Rain Showers20°11°
31
Rain Showers20°11°

AugustWeather Overview

No. of days:

Sunny

Sunny

9

Cloudy

Cloudy

0

Rainy

Rainy

22

Snowy

Snowy

0


The monthly weather averages in Sion consist of 9 sunny days, 0 cloudy days, 22 rainy days, and 0 snowy days.

Sion's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
17 °C
sunnySunny
60%
1.6

5 kmph /  E

Switzerland's Hottest Cities - August 2026

Hottest
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Last Updated: 09 Aug 2026, 07:59 AM

City Weather Rankings

FAQs About Sion Weather Conditions


1. What is the current temperature in Sion today - 09 August 2026?

The current temperature in Sion is 17°C, with a feels-like temperature of 16°C. Today's forecast shows a high of 26°C and a low of 12°C, giving a 14 degree swing through the day as of 09:15 AM 09 August 2026.

2. What are the current weather parameters in Sion today?

Here is a complete overview of Sion's current weather conditions as of 09:15 AM 09 August 2026: Condition : Sunny Temperature : 17°C Cool (Feels like 16°C) Humidity : 60% Wind Speed : 5 km/h from E (80 degrees), Gust 1.9 m/s UV Index : 1.6 (Low Air Pressure : 1021 mb Cloud Cover : 3% Visibility : 10 km Precipitation : 0 mm (59% chance of rain)

3. What is the 10-day weather forecast for Sion from 09:15 AM 09 August 2026?

From 09:15 AM 09 August 2026, Sion's 10-day forecast shows this trend: Today (Aug. 9) : Temp. 18°C, Hum. 59% and Sunny condition. Monday (Aug. 10) : Temp. 18°C, Hum. 63% and Sunny condition. Tuesday (Aug. 11) : Temp. 17°C, Hum. 68% and Patchy rain nearby condition. Wednesday (Aug. 12) : Temp. 16°C, Hum. 68% and Sunny condition. Thursday (Aug. 13) : Temp. 18°C, Hum. 65% and Sunny condition. Friday (Aug. 14) : Temp. 19°C, Hum. 58% and Sunny condition. Saturday (Aug. 15) : Temp. 18°C, Hum. 53% and Sunny condition. Sunday (Aug. 16) : Temp. 18°C, Hum. 59% and Sunny condition. Monday (Aug. 17) : Temp. 18°C, Hum. 78% and Rain Showers condition. Tuesday (Aug. 18) : Temp. 18°C, Hum. 77% and Rain Showers condition.

4. Will it rain in Sion today?

As of 09:15 AM 09 August 2026, there is a 2% chance of rainfall in Sion later today around 2026-08-09 10:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.

5. What is the monthly weather forecast for Sion in August 2026?

August 2026 in Sion is forecast to have 9 sunny days, 22 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 10°C to highs of 26°C.

6. How does the weather in Sion affect air quality?

Weather directly impacts air quality in Sion. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.