HomeSwitzerlandValaisSierre

Weather in Sierre

Valais · 16 790 inhabitants · Tuesday, September 15 · updated 10h10

Clear sky
12°
Clear sky
Feels like 12°C
Wind
5 km/h
Gusts
5 km/h
Humidity
59 %
Pressure
1023 hPa
Clouds
0 %
Storm
No
Rise 07h06 Set 19h43 Day 12h37 UV 7 · High

Detailed forecast

Trend
Morning
Clear sky
Clear sky
18°12°
Feels like 18°
Wind SSO 5 km/h
Humidity 48 %
Afternoon
Mainly clear
Mainly clear
24°
Feels like 24°
Wind OSO 12 km/h
Gusts 27 km/h
Humidity 30 %
Evening
Clear sky
Clear sky
19°16°
Feels like 19°
Wind ONO 5 km/h
Gusts 15 km/h
Humidity 49 %
11h
Clear sky
18°
SSO 5
14h
Clear sky
24°
SO 10
17h
Mainly clear
24°
OSO 12
20h
Clear sky
19°
ONO 5
23h
Clear sky
16°
NNE 2

Weather charts for Sierre · 7 days

Temperatures over 7 days

+4.9° above seasonal normals this week
Highs Lows Seasonal normal (1991-2020 average)
10°15°21°26°Auj.MerJeuVenSamDimLun19°Mar 15 sept. : max 24° · min 12° · normale 9,4°Mer 16 sept. : max 21° · min 12° · normale 9,2°Jeu 17 sept. : max 17° · min 7° · normale 9,1°Ven 18 sept. : max 17° · min 8° · normale 8,9°Sam 19 sept. : max 18° · min 7° · normale 8,7°Dim 20 sept. : max 20° · min 6° · normale 8,6°Lun 21 sept. : max 19° · min 7° · normale 8,4°

Hourly detail

MarMerJeuVenSamDimLunMar15°26°24°02
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in Sierre

1/6
Bon
European Air Quality Index (EAQI) · CAMS source
PM2.52µg/m³
PM104µg/m³
O₃39µg/m³
NO₂2µg/m³
SO₂0µg/m³

Pollen · dominant : Mugwort

AlderNul
BirchNul
GrassFaible
MugwortModéré
OliveNul
RagweedNul

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

Rain in Sierre: live radar and next-hour forecast

Will it rain in Sierre? 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 Sierre

Waxing crescent
16 % illuminated · 3,8 days
Rise 21h12 Set 05h16
Wed 16/9 24%
Thu 17/9 34%
Fri 18/9 44%
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%

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

Weather history for Sierre

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

The weather in Sierre

Find the full weather for Sierre, Valais: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “clear sky” with 12 °C (feels like 12 °C) and wind at 5 km/h.

Today, temperatures range from 12 °C to 24 °C, with no significant precipitation, with a storm risk to watch. 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.

Need this data in your app?

Access weather, tides, air quality and more via our REST API. Free API key, no credit card required.

Get API key