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Weather in Sion

British Columbia · 658 inhabitants · Friday, September 18 · updated 07h14

Air : Bon
Clear sky
10°
Clear sky
Feels like 10°C
Wind
1 km/h
Gusts
1 km/h
Humidity
62 %
Pressure
1020 hPa
Clouds
0 %
Storm
No
Rise 06h33 Set 19h02 Day 12h28 UV 7 · High

Detailed forecast

Trend
Morning
Clear sky
Clear sky
18°10°
Feels like 18°
Wind ↑ SE 1 km/h
Humidity 39 %
Afternoon
Clear sky
Clear sky
24°
Feels like 24°
Wind ↑ OSO 2 km/h
Humidity 23 %
Evening
Clear sky
Clear sky
14°12°
Feels like 14°
Wind ↑ O 2 km/h
Humidity 44 %
8h
Clear sky
10°
NNE 1
11h
Clear sky
18°
SE 1
14h
Clear sky
24°
ONO 2

Weather charts for Sion · 7 days

Temperatures over 7 days

▲ +3.7° above seasonal normals this week
Highs Lows Seasonal normal (1991-2020 average)
4°10°16°21°27°Auj.SamDimLunMarMerJeu21°7°Ven 18 sept. : max 24° · min 6° · normale 12,7°Sam 19 sept. : max 25° · min 7° · normale 12,4°Dim 20 sept. : max 25° · min 8° · normale 12,2°Lun 21 sept. : max 24° · min 8° · normale 11,9°Mar 22 sept. : max 24° · min 9° · normale 11,7°Mer 23 sept. : max 23° · min 7° · normale 11,4°Jeu 24 sept. : max 21° · min 7° · normale 11,2°

Hourly detail

VenSamDimLunMarMerJeuVen5°16°27°25°6°02
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in Sion

1/6
Bon
European Air Quality Index (EAQI) · CAMS source
PM2.50µg/m³
PM100µg/m³

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in Sion: live radar and next-hour forecast

Will it rain in Sion? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour
Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for Sion

Waxing crescent
44 % illuminated · 6,8 days
Rise 17h11 Set —
Sat 19/9 55% First quarter
Sun 20/9 65%
Mon 21/9 75%
Tue 22/9 83%
Wed 23/9 90%
Thu 24/9 96%
Fri 25/9 99%
Sat 26/9 100% Full moon
Sun 27/9 99%
Mon 28/9 95%
Tue 29/9 90%
Wed 30/9 83%

Rise and set in local time (America/Vancouver) · phases and illumination computed by SkiesAtlas (synodic model).

Weather history for Sion

What was the weather in Sion on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in Sion

Find the full weather for Sion, British Columbia: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “clear sky” with 10 °C (feels like 10 °C) and wind at 1 km/h.

Today, temperatures range from 6 °C to 24 °C, with no significant precipitation. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms.

Nearby cities

Trail 58 km 7° Rossland 51 km 7° Grand Forks 4 km Warfield 55 km 7° Christina Lake 21 km 9° Greenwood 17 km Midway 20 km

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