Sion Weather Conditions

Current Temperature Level

patchy rain possible
20°C
25°C12°C
Cool

Patchy rain nearby

Feels Like 19°C

Chances of Rain12%

Good

38AQI

Humidity

59%

Nowpatchy rain possible20°12%11 AMpatchy rain possible21°11%12 PMpatchy rain possible23°17%1 PMpatchy rain possible24°8%2 PMthundery outbreaks possible25°10%3 PMpatchy light rain with thunder24°17%4 PMpatchy light rain with thunder21°44%5 PMlight rain shower15°75%6 PMlight rain shower16°62%7 PMpatchy rain possible15°37%8 PMpatchy rain possible15°44%9 PMpatchy rain possible13°71%10 PMclear14°15%11 PMpatchy rain possible12°30%12 AMpatchy rain possible12°30%1 AMpartly cloudy12°16%2 AMclear12°14%3 AMclear12°13%4 AMclear12°12%5 AMclear12°12%6 AMclear12°12%7 AMsunny12°11%8 AMsunny15°9%9 AMsunny17°6%
.

Light rain may develop in some areas.

Last Updated: 2026-08-04 10:30 (Local Time)

Sion Weather Parameters

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Sion 10-Days Weather Forecast

See Monthly
Today4 Aug.


Sunny

Sunny

Clear Sky with temperature at 16 °C and humidity will be at 75% with 10.1 km/h winds.


temperature icon

25°C  /  12°C

temperature iconHumi.75 %
temperature iconPrec.6.11 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

ClearClear

13 °C

87 %

0

7.9 kmph /  ESE

Feels Like IconFeels 12 °C

Temperature IconCover 10 %

Visibility IconVisibility 10 km

1 AM

ClearClear

13 °C

86 %

0

9 kmph /  ESE

Feels Like IconFeels 12 °C

Temperature IconCover 10 %

Visibility IconVisibility 10 km

2 AM

ClearClear

13 °C

86 %

0

9.4 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 9 %

Visibility IconVisibility 10 km

3 AM

ClearClear

13 °C

86 %

0

9.7 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 10 %

Visibility IconVisibility 10 km

4 AM

ClearClear

12 °C

86 %

0

10.1 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 9 %

Visibility IconVisibility 10 km

5 AM

ClearClear

12 °C

86 %

0

10.1 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 8 %

Visibility IconVisibility 10 km

6 AM

ClearClear

12 °C

85 %

0

9.7 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 8 %

Visibility IconVisibility 10 km

7 AM

SunnySunny

13 °C

84 %

0.2

9.4 kmph /  ESE

Feels Like IconFeels 11 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

8 AM

SunnySunny

15 °C

81 %

0.7

7.6 kmph /  E

Feels Like IconFeels 14 °C

Temperature IconCover 8 %

Visibility IconVisibility 10 km

9 AM

SunnySunny

17 °C

69 %

1.8

5 kmph /  E

Feels Like IconFeels 17 °C

Temperature IconCover 8 %

Visibility IconVisibility 10 km

10 AM

Patchy rain nearbyPatchy rain nearby

20 °C

59 %

3.5

4.3 kmph /  ENE

Feels Like IconFeels 19 °C

Temperature IconCover 85 %

Visibility IconVisibility 10 km

11 AM

Patchy rain nearbyPatchy rain nearby

21 °C

50 %

5.4

4.3 kmph /  NE

Feels Like IconFeels 21 °C

Temperature IconCover 86 %

Visibility IconVisibility 10 km

12 PM

Patchy rain nearbyPatchy rain nearby

23 °C

44 %

7

2.9 kmph /  N

Feels Like IconFeels 23 °C

Temperature IconCover 87 %

Visibility IconVisibility 10 km

1 PM

Patchy rain nearbyPatchy rain nearby

24 °C

41 %

8

3.2 kmph /  NW

Feels Like IconFeels 24 °C

Temperature IconCover 84 %

Visibility IconVisibility 10 km

2 PM

Thundery outbreaks in nearbyThundery outbreaks in nearby

25 °C

39 %

7.8

4.3 kmph /  WNW

Feels Like IconFeels 24 °C

Temperature IconCover 89 %

Visibility IconVisibility 9 km

3 PM

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

24 °C

44 %

5.9

1.4 kmph /  NW

Feels Like IconFeels 24 °C

Temperature IconCover 73 %

Visibility IconVisibility 10 km

4 PM

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

21 °C

61 %

4.7

2.2 kmph /  SW

Feels Like IconFeels 21 °C

Temperature IconCover 86 %

Visibility IconVisibility 10 km

5 PM

Rain ShowerRain Shower

15 °C

86 %

2.6

2.9 kmph /  W

Feels Like IconFeels 16 °C

Temperature IconCover 75 %

Visibility IconVisibility 10 km

6 PM

Rain ShowerRain Shower

16 °C

86 %

0.3

9 kmph /  NW

Feels Like IconFeels 15 °C

Temperature IconCover 60 %

Visibility IconVisibility 10 km

7 PM

Patchy rain nearbyPatchy rain nearby

15 °C

90 %

0.2

5 kmph /  ESE

Feels Like IconFeels 15 °C

Temperature IconCover 81 %

Visibility IconVisibility 10 km

8 PM

Patchy rain nearbyPatchy rain nearby

15 °C

90 %

0

7.2 kmph /  E

Feels Like IconFeels 14 °C

Temperature IconCover 88 %

Visibility IconVisibility 9 km

9 PM

Patchy rain nearbyPatchy rain nearby

13 °C

93 %

0

2.5 kmph /  NW

Feels Like IconFeels 14 °C

Temperature IconCover 82 %

Visibility IconVisibility 9 km

10 PM

ClearClear

14 °C

90 %

0

6.1 kmph /  ESE

Feels Like IconFeels 13 °C

Temperature IconCover 17 %

Visibility IconVisibility 10 km

11 PM

Patchy rain nearbyPatchy rain nearby

12 °C

92 %

0

4.3 kmph /  SSW

Feels Like IconFeels 12 °C

Temperature IconCover 73 %

Visibility IconVisibility 10 km

Temp20 °C


ConditionPatchy rain nearby


Humidity59 %

Feels19 °C


Cover85 %


Visibility10 km

Wind Speed & Dir.4.3 kmph /  ENE


UV3.5

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
20 °C
patchy rain possiblePatchy rain nearby
59%
3.5

4.3 kmph /  ENE

Switzerland's Hottest Cities - August 2026

Hottest
Coldest

Last Updated: 04 Aug 2026, 08:47 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 20°C, with a feels-like temperature of 19°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 10:30 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 10:30 AM 04 August 2026: Condition : Patchy rain nearby Temperature : 20°C Cool (Feels like 19°C) Humidity : 59% Wind Speed : 4.3 km/h from ENE (61 degrees), Gust 1.4 m/s UV Index : 3.5 (Moderate Air Pressure : 1018 mb Cloud Cover : 85% Visibility : 10 km Precipitation : 0.01 mm (70% chance of rain)

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

From 10:30 AM 04 August 2026, Sion's 10-day forecast shows this trend: Today (Aug. 4) : Temp. 16°C, Hum. 75% and Sunny condition. Wednesday (Aug. 5) : Temp. 16°C, Hum. 73% and Patchy rain nearby condition. Thursday (Aug. 6) : Temp. 15°C, Hum. 78% and Sunny condition. Friday (Aug. 7) : Temp. 15°C, Hum. 80% and Patchy rain nearby condition. Saturday (Aug. 8) : Temp. 16°C, Hum. 69% and Sunny condition. Sunday (Aug. 9) : Temp. 17°C, Hum. 58% and Sunny condition. Monday (Aug. 10) : Temp. 19°C, Hum. 51% and Sunny condition. Tuesday (Aug. 11) : Temp. 19°C, Hum. 55% 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 10:30 AM 04 August 2026, yes — Sion is currently experiencing rainfall with 0.01 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.

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.