Sion Weather Conditions
Current Temperature Level
Sion Weather Conditions
Current Temperature Level
Last Updated: 2026-08-09 19:30 (Local Time)
Sunny
Clear Sky with temperature at 18 °C and humidity will be at 59% with 18 km/h winds.25°C / 12°C
Sunrise
06:22 AM14hrs 27min
Sunset
08:49 PMAugustWeather Overview
No. of days:
Sunny
11
Cloudy
0
Rainy
20
Snowy
0
The monthly weather averages in Sion consist of 11 sunny days, 0 cloudy days, 20 rainy days, and 0 snowy days.
Sion's Locations Weather Conditions
Switzerland's Hottest Cities - August 2026
1.
Payerne, Vaud
32 °C
Sunny
31%
0.5
7.6 kmph / SW
2.
Biel Bienne, Bern
31 °C
Sunny
32%
0.6
7.6 kmph / WNW
3.
Neuchatel, Neuchatel
31 °C
Sunny
36%
0.5
8.3 kmph / WNW
4.
Binningen, Basel Landschaft
30 °C
Sunny
40%
0.6
3.6 kmph / NE
5.
Riehen, Basel Stadt
30 °C
Sunny
40%
0.6
3.6 kmph / NE
6.
Bern, Bern
30 °C
Sunny
38%
0.6
3.6 kmph / WSW
7.
Lausanne, Vaud
30 °C
Sunny
41%
0.5
6.1 kmph / S
8.
Lugano, Ticino
29 °C
Sunny
51%
0.5
4.3 kmph / W
9.
Opfikon, Zurich
29 °C
Sunny
44%
0.5
5.8 kmph / SSE
10.
Oftringen, Aargau
29 °C
Sunny
46%
0.6
7.2 kmph / ENE
Last Updated: 09 Aug 2026, 05:55 PM
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 22°C, with a feels-like temperature of 21°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 07:30 PM 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 07:30 PM 09 August 2026: Condition : Patchy rain nearby Temperature : 22°C Pleasant (Feels like 21°C) Humidity : 47% Wind Speed : 5.8 km/h from NW (307 degrees), Gust 2.3 m/s UV Index : 0.5 (Low Air Pressure : 1017 mb Cloud Cover : 82% Visibility : 10 km Precipitation : 0.04 mm (59% chance of rain)
3. What is the 10-day weather forecast for Sion from 07:30 PM 09 August 2026?
3. What is the 10-day weather forecast for Sion from 07:30 PM 09 August 2026?
From 07:30 PM 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. 17°C, Hum. 65% and Sunny condition. Tuesday (Aug. 11) : Temp. 16°C, Hum. 72% and Sunny condition. Wednesday (Aug. 12) : Temp. 17°C, Hum. 68% and Patchy rain nearby condition. Thursday (Aug. 13) : Temp. 18°C, Hum. 66% and Sunny condition. Friday (Aug. 14) : Temp. 18°C, Hum. 56% and Sunny condition. Saturday (Aug. 15) : Temp. 19°C, Hum. 51% and Sunny condition. Sunday (Aug. 16) : Temp. 16°C, Hum. 67% and Patchy rain nearby 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 07:30 PM 09 August 2026, yes — Sion is currently experiencing rainfall with 0.04 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?
5. What is the monthly weather forecast for Sion in August 2026?
August 2026 in Sion is forecast to have 11 sunny days, 20 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.



