Sion Weather Conditions

Current Temperature Level

clear
12°C
25°C12°C
Cool

Clear

Feels Like 10°C

Chances of Rain11%

Good

33AQI

Humidity

82%

Nowclear12°11%7 AMsunny12°10%8 AMsunny15°9%9 AMsunny17°5%10 AMsunny20°3%11 AMsunny22°2%12 PMpatchy rain possible24°8%1 PMpatchy rain possible25°8%2 PMthundery outbreaks possible25°8%3 PMpatchy rain possible24°18%4 PMpatchy light rain with thunder21°24%5 PMpatchy rain possible19°42%6 PMpatchy rain possible16°66%7 PMlight rain shower15°53%8 PMlight rain shower14°46%9 PMpatchy rain possible13°53%10 PMlight rain shower13°49%11 PMpartly cloudy13°22%12 AMpartly cloudy13°16%1 AMclear13°14%2 AMclear13°13%3 AMclear13°12%4 AMclear12°12%5 AMclear12°12%
.

Skies are likely to remain clear overnight.

Last Updated: 2026-08-04 06:30 (Local Time)

Sion Weather Parameters

Get AQI App

Sion 10-Days Weather Forecast

See Monthly
Today4 Aug.


Sunny

Sunny

Clear Sky with temperature at 17 °C and humidity will be at 72% with 10.4 km/h winds.


temperature icon

25°C  /  12°C

temperature iconHumi.72 %
temperature iconPrec.4.6 mm


Sunrise icon

Sunrise

06:16 AM

14hrs 41min

Sunset icon

Sunset

08:57 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

Patchy rain nearbyPatchy rain nearby

13 °C

88 %

0

9 kmph /  ESE

Feels Like IconFeels 12 °C

Temperature IconCover 80 %

Visibility IconVisibility 10 km

1 AM

ClearClear

13 °C

86 %

0

10.1 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

2 AM

ClearClear

13 °C

85 %

0

9.7 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

3 AM

ClearClear

12 °C

83 %

0

10.1 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

4 AM

ClearClear

12 °C

83 %

0

9.7 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

5 AM

ClearClear

12 °C

83 %

0

10.1 kmph /  ESE

Feels Like IconFeels 10 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

6 AM

ClearClear

12 °C

82 %

0

10.4 kmph /  ESE

Feels Like IconFeels 10 °C

Temperature IconCover 6 %

Visibility IconVisibility 10 km

7 AM

SunnySunny

12 °C

82 %

0.2

9.7 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 6 %

Visibility IconVisibility 10 km

8 AM

SunnySunny

15 °C

79 %

0.7

7.2 kmph /  E

Feels Like IconFeels 14 °C

Temperature IconCover 6 %

Visibility IconVisibility 10 km

9 AM

SunnySunny

17 °C

67 %

1.8

5.8 kmph /  E

Feels Like IconFeels 17 °C

Temperature IconCover 6 %

Visibility IconVisibility 10 km

10 AM

SunnySunny

20 °C

55 %

3.5

5 kmph /  E

Feels Like IconFeels 19 °C

Temperature IconCover 6 %

Visibility IconVisibility 10 km

11 AM

SunnySunny

22 °C

47 %

5.4

4 kmph /  ENE

Feels Like IconFeels 21 °C

Temperature IconCover 6 %

Visibility IconVisibility 10 km

12 PM

Patchy rain nearbyPatchy rain nearby

24 °C

42 %

7

2.9 kmph /  ENE

Feels Like IconFeels 23 °C

Temperature IconCover 80 %

Visibility IconVisibility 10 km

1 PM

Patchy rain nearbyPatchy rain nearby

25 °C

38 %

8

2.2 kmph /  NNE

Feels Like IconFeels 24 °C

Temperature IconCover 73 %

Visibility IconVisibility 10 km

2 PM

Thundery outbreaks in nearbyThundery outbreaks in nearby

25 °C

36 %

7.8

1.1 kmph /  NNE

Feels Like IconFeels 25 °C

Temperature IconCover 80 %

Visibility IconVisibility 9 km

3 PM

Patchy rain nearbyPatchy rain nearby

24 °C

40 %

5.9

5 kmph /  SE

Feels Like IconFeels 23 °C

Temperature IconCover 82 %

Visibility IconVisibility 9 km

4 PM

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

21 °C

52 %

4.7

7.9 kmph /  NNE

Feels Like IconFeels 20 °C

Temperature IconCover 83 %

Visibility IconVisibility 10 km

5 PM

Patchy rain nearbyPatchy rain nearby

19 °C

65 %

2.6

9 kmph /  WNW

Feels Like IconFeels 18 °C

Temperature IconCover 86 %

Visibility IconVisibility 9 km

6 PM

Patchy rain nearbyPatchy rain nearby

16 °C

82 %

0.3

7.9 kmph /  NNW

Feels Like IconFeels 15 °C

Temperature IconCover 78 %

Visibility IconVisibility 9 km

7 PM

Rain ShowerRain Shower

15 °C

87 %

0.2

3.2 kmph /  N

Feels Like IconFeels 15 °C

Temperature IconCover 61 %

Visibility IconVisibility 10 km

8 PM

Rain ShowerRain Shower

14 °C

89 %

0

5 kmph /  ENE

Feels Like IconFeels 14 °C

Temperature IconCover 53 %

Visibility IconVisibility 10 km

9 PM

Patchy rain nearbyPatchy rain nearby

13 °C

90 %

0

1.8 kmph /  NNW

Feels Like IconFeels 13 °C

Temperature IconCover 74 %

Visibility IconVisibility 9 km

10 PM

Rain ShowerRain Shower

13 °C

92 %

0

2.9 kmph /  S

Feels Like IconFeels 12 °C

Temperature IconCover 68 %

Visibility IconVisibility 10 km

11 PM

Partly CloudyPartly Cloudy

13 °C

91 %

0

0.7 kmph /  ESE

Feels Like IconFeels 13 °C

Temperature IconCover 62 %

Visibility IconVisibility 10 km

Temp12 °C


ConditionClear


Humidity82 %

Feels10 °C


Cover6 %


Visibility10 km

Wind Speed & Dir.10.4 kmph /  ESE


UV0

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°
4Today
Sunny25°12°
5
Patchy rain nearby23°12°
6
Patchy rain nearby21°11°
7
Patchy rain nearby20°10°
8
Sunny22°10°
9
Sunny24°12°
10
Sunny26°12°
11
Patchy rain nearby23°12°
12
Rain Showers25°13°
13
Rain Showers24°14°
14
Rain Showers23°13°
15
Rain Showers24°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

5

Cloudy

Cloudy

0

Rainy

Rainy

26

Snowy

Snowy

0


The monthly weather averages in Sion consist of 5 sunny days, 0 cloudy days, 26 rainy days, and 0 snowy days.

Sion's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
12 °C
clearClear
82%
0

10.4 kmph /  ESE

Switzerland's Hottest Cities - August 2026

Hottest
Coldest

Last Updated: 04 Aug 2026, 04:55 AM

City Weather Rankings

FAQs About Sion Weather Conditions


1. What is the current temperature in Sion today - 04 August 2026?

The current temperature in Sion is 12°C, with a feels-like temperature of 10°C. Today's forecast shows a high of 25°C and a low of 12°C, giving a 13 degree swing through the day as of 06:30 AM 04 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 06:30 AM 04 August 2026: Condition : Clear Temperature : 12°C Cool (Feels like 10°C) Humidity : 82% Wind Speed : 10.4 km/h from ESE (104 degrees), Gust 6.1 m/s UV Index : 0 (Low Air Pressure : 1019 mb Cloud Cover : 6% Visibility : 10 km Precipitation : 0 mm (65% chance of rain)

3. What is the 10-day weather forecast for Sion from 06:30 AM 04 August 2026?

From 06:30 AM 04 August 2026, Sion's 10-day forecast shows this trend: Today (Aug. 4) : Temp. 17°C, Hum. 72% and Sunny condition. Wednesday (Aug. 5) : Temp. 16°C, Hum. 75% and Sunny condition. Thursday (Aug. 6) : Temp. 16°C, Hum. 78% and Patchy rain nearby condition. Friday (Aug. 7) : Temp. 15°C, Hum. 74% and Patchy rain nearby condition. Saturday (Aug. 8) : Temp. 16°C, Hum. 68% and Sunny condition. Sunday (Aug. 9) : Temp. 18°C, Hum. 62% and Sunny condition. Monday (Aug. 10) : Temp. 15°C, Hum. 70% and Sunny condition. Tuesday (Aug. 11) : Temp. 16°C, Hum. 63% and Sunny condition. Wednesday (Aug. 12) : Temp. 19°C, Hum. 72% and Rain Showers condition. Thursday (Aug. 13) : Temp. 19°C, Hum. 74% and Rain Showers condition.

4. Will it rain in Sion today?

As of 06:30 AM 04 August 2026, there is a 10% chance of rainfall in Sion later today around 2026-08-04 07:00. 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 5 sunny days, 26 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.