Sion Weather Conditions
Current Temperature Level
Sion Weather Conditions
Current Temperature Level
Last Updated: 2026-08-09 09:15 (Local Time)
Sunny
Clear Sky with temperature at 18 °C and humidity will be at 59% with 11.5 km/h winds.26°C / 12°C
Sunrise
06:22 AM14hrs 27min
Sunset
08:49 PMAugustWeather Overview
No. of days:
Sunny
9
Cloudy
0
Rainy
22
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
Switzerland's Hottest Cities - August 2026
1.
Lugano, Ticino
26 °C
Sunny
57%
1.7
3.6 kmph / N
2.
Riehen, Basel Stadt
25 °C
Sunny
50%
1.5
5.8 kmph / SE
3.
Binningen, Basel Landschaft
25 °C
Sunny
50%
1.5
5.8 kmph / SE
4.
Rotkreuz, Zug
24 °C
Cloudy
58%
1.7
3.6 kmph / SSE
5.
Arth, Schwyz
24 °C
Cloudy
58%
1.7
3.6 kmph / SSE
6.
Payerne, Vaud
24 °C
Sunny
49%
1.4
3.6 kmph / SW
7.
Biel Bienne, Bern
24 °C
Sunny
51%
1.4
3.6 kmph / S
8.
Thonex, Geneve
24 °C
Sunny
48%
1.4
3.6 kmph / NE
9.
Neuchatel, Neuchatel
23 °C
Sunny
53%
1.4
3.6 kmph / S
10.
Lausanne, Vaud
23 °C
Sunny
51%
1.4
3.6 kmph / SSE
Last Updated: 09 Aug 2026, 07:59 AM
City Weather RankingsFAQs About Sion Weather Conditions
1. What is the current temperature in Sion today - 09 August 2026?
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?
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?
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?
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?
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?
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.



