meteo-ch.ch Search a municipality…

Home › Valais › Sierre

Weather in Sierre

Valais, 575 m · continuously updated

–°C
 
 
– –

Wind
–
Humidity
–
Rain ahead
–
Sunset
–

Temperature · last 4 and next 28 hours

Sierre weather: the next 24 hours

Updated hourly.

Sierre weather hour by hour (48 h)

Sierre 15-day forecast

Two-week trend.

Sierre weekend weatherRain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

–

Air quality

–

European index, measured continuously.

UV index

–

Daily maximum — protection advised from 3.

Freezing level

–

Snow settles about 300 m below it.

Around Sierre

Neighbouring municipalities, as the crow flies.

7-day forecast for Sierre

Today (Sunday 27 Sep) in Sierre: sunny, 12 to 29 °C, precipitation 0.0 mm (0 %), wind up to 11 km/h. Tomorrow: overcast, 16 to 30 °C.

DayWeatherMinMaxPrecip.Wind
Todaysunny12 °C29 °C0.0 mm11 km/h
Tomorrowovercast16 °C30 °C0.0 mm11 km/h
Tue 29 Sepovercast16 °C26 °C0.0 mm11 km/h
Wed 30 Sepovercast16 °C22 °C0.0 mm10 km/h
Thu 1 Octlight rain15 °C18 °C5.7 mm7 km/h
Fri 2 Octovercast15 °C22 °C0.0 mm6 km/h
Sat 3 Octovercast15 °C24 °C0.0 mm11 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 575 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected in Sierre today or tomorrow. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Sierre

Sunday 27 Sep in Sierre, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 12 °C around 07:00, high 29 °C around 15:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny16 °C0.0 mm2 km/h
01:00sunny14 °C0.0 mm3 km/h
02:00sunny13 °C0.0 mm4 km/h
03:00sunny13 °C0.0 mm4 km/h
04:00sunny13 °C0.0 mm4 km/h
05:00sunny13 °C0.0 mm4 km/h
06:00sunny13 °C0.0 mm3 km/h
07:00sunny12 °C0.0 mm3 km/h
08:00sunny13 °C0.0 mm3 km/h
09:00sunny16 °C0.0 mm3 km/h
10:00sunny19 °C0.0 mm2 km/h
11:00sunny22 °C0.0 mm1 km/h
12:00sunny24 °C0.0 mm1 km/h
13:00sunny26 °C0.0 mm0 km/h
14:00sunny28 °C0.0 mm3 km/h
15:00sunny29 °C0.0 mm7 km/h
16:00sunny29 °C0.0 mm10 km/h
17:00sunny28 °C0.0 mm11 km/h
18:00sunny26 °C0.0 mm8 km/h
19:00sunny22 °C0.0 mm5 km/h
20:00sunny19 °C0.0 mm5 km/h
21:00sunny18 °C0.0 mm3 km/h
22:00mostly sunny17 °C0.0 mm4 km/h
23:00sunny18 °C0.0 mm2 km/h

Hourly forecast issued 27.09.2026 for Sierre (575 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Sierre weather tomorrow

Tomorrow, Monday 28 Sep, in Sierre: overcast, 16 to 30 °C, wind up to 11 km/h. No precipitation expected.

Sierre weekend weather

This weekend in Sierre: Saturday overcast, 15 to 24 °C; Sunday sunny, 12 to 29 °C.

Will it rain in Sierre this week?

Yes: 1 day with precipitation is expected in Sierre over the next 7 days, 5.7 mm in total. Wettest day: Thursday 1 Oct (5.7 mm).

The best day to go out in Sierre

The best day of the next 7 in Sierre: Sunday 27 Sep, sunny, up to 29 °C.

The last 7 days in Sierre

From 20 Sep to 26 Sep: 18.6 °C on average, 0 mm of precipitation. Warmest day: sunday 20 Sep (27 °C); coolest night: saturday 26 Sep (10 °C).

DayMinMaxRain
Sun 20 Sep12 °C27 °C0.0 mm
Mon 21 Sep14 °C25 °C0.0 mm
Tue 22 Sep10 °C24 °C0.0 mm
Wed 23 Sep11 °C25 °C0.0 mm
Thu 24 Sep12 °C26 °C0.0 mm
Fri 25 Sep13 °C25 °C0.0 mm
Sat 26 Sep10 °C26 °C0.0 mm

Open-Meteo analyses of the last 7 days (models and assimilated observations), MeteoSwiss 1991–2020 normals. Updated nightly.

Climate of Sierre: 1991–2020 normals

In Sierre (575 m), the mean annual temperature is 11.0 °C. The warmest month is July (19.7 °C on average) and the coldest January (2.8 °C). About 669 mm of precipitation falls per year, peaking in December (76 mm) with a minimum in September (41 mm). The sun shines for about 2137 hours a year, mostly in July (269 h). On average there are 90 frost days and 21 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.8 °C and the absolute minimum −7.7 °C.

11.0 °CMean annual temperature
669 mmPrecipitation per year
2137 hSunshine hours per year
90Frost days per year
77Summer days (≥ 25 °C)
JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

MonthMean TAbs. maxAbs. minPrecip. (mm)Sunshine (h)Frost daysSummer days
Jan2.8 °C13.2 °C−7.7 °C6690240
Feb3.1 °C14.6 °C−7.7 °C54130200
Mar6.5 °C18.6 °C−4.6 °C4618890
Apr10.0 °C22.3 °C−1.0 °C4220912
May14.1 °C26.8 °C3.7 °C6122508
Jun17.8 °C30.7 °C7.2 °C56251017
Jul19.7 °C31.8 °C9.7 °C61269022
Aug19.5 °C31.5 °C9.0 °C65248020
Sep15.6 °C26.8 °C5.8 °C4120807
Oct11.8 °C23.2 °C1.7 °C4615920
Nov6.8 °C18.3 °C−3.4 °C5494110
Dec3.7 °C14.0 °C−6.7 °C7666230
Year11.0 °C31.8 °C−7.7 °C66921379077

Source: MeteoSwiss open data (1991–2020 normals) — stations Montana (8 km, 1423 m), Sion (19 km, 482 m), Evolène / Villa (20 km, 1825 m), adjusted to the elevation of Sierre (575 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.