What is the weather in Chalais today?

At the top of the page you will find the current temperature, precipitation and wind in Chalais, updated in real time.

What is the 15-day forecast for Chalais?

The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Chalais.

Will it rain tomorrow in Chalais?

Check the 48-hour hourly forecast to see exactly when precipitation is expected in Chalais.

What is the air quality in Chalais?

The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Chalais.

Are there weather alerts for Chalais?

Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.

At what altitude is Chalais located?

Chalais sits at around 610 m above sea level in the canton of Valais. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Chalais?

The warmest month in Chalais is July, averaging 19.5 °C (1991–2020 normal). The coldest is January at 2.6 °C.

How much does it rain in Chalais per year?

Chalais receives about 681 mm of precipitation a year. The wettest month is December (78 mm), the driest September (41 mm).

When is the best time to visit Chalais?

For warmth and sunshine: July (19.5 °C on average, 269 h of sun). The coldest month is January (2.6 °C). Check the 15-day forecast above for your dates.

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Home › Valais › Chalais

Weather in Chalais

Valais, 610 m · continuously updated

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Wind: –
Humidity: –
Rain ahead: –
Sunset: –

Temperature · last 4 and next 28 hours

Chalais weather: the next 24 hours

Updated hourly.

Chalais weather hour by hour (48 h)

Chalais 15-day forecast

Two-week trend.

Chalais weekend weather Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Chalais

Neighbouring municipalities, as the crow flies.

Chippis2 km Grône3 km Crans-Montana3 km Anniviers3 km Sierre4 km Noble-Contrée5 km Lens5 km Saint-Léonard7 km

7-day forecast for Chalais

Today (Sunday 27 Sep) in Chalais: sunny, 12 to 29 °C, precipitation 0.0 mm (0 %), wind up to 13 km/h. Tomorrow: overcast, 14 to 30 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	sunny	12 °C	29 °C	0.0 mm	13 km/h
Tomorrow	overcast	14 °C	30 °C	0.0 mm	17 km/h
Tue 29 Sep	overcast	16 °C	28 °C	0.0 mm	6 km/h
Wed 30 Sep	overcast	17 °C	24 °C	0.0 mm	7 km/h
Thu 1 Oct	light rain	16 °C	19 °C	5.4 mm	4 km/h
Fri 2 Oct	overcast	15 °C	22 °C	0.0 mm	6 km/h
Sat 3 Oct	overcast	15 °C	24 °C	0.0 mm	11 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 610 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Chalais

Sunday 27 Sep in Chalais, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 12 °C around 08:00, high 29 °C around 15:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	14 °C	2 km/h
01:00	sunny	14 °C	3 km/h
02:00	sunny	14 °C	3 km/h
03:00	sunny	14 °C	2 km/h
04:00	sunny	14 °C	2 km/h
05:00	sunny	13 °C	2 km/h
06:00	sunny	13 °C	2 km/h
07:00	sunny	12 °C	2 km/h
08:00	sunny	12 °C	2 km/h
09:00	sunny	15 °C	1 km/h
10:00	sunny	18 °C	0 km/h
11:00	sunny	21 °C	1 km/h
12:00	sunny	24 °C	2 km/h
13:00	sunny	26 °C	2 km/h
14:00	sunny	28 °C	6 km/h
15:00	sunny	29 °C	11 km/h
16:00	sunny	29 °C	14 km/h
17:00	sunny	28 °C	13 km/h
18:00	sunny	26 °C	9 km/h
19:00	sunny	22 °C	4 km/h
20:00	sunny	19 °C	4 km/h
21:00	sunny	18 °C	3 km/h
22:00	sunny	18 °C	0 km/h
23:00	mostly sunny	16 °C	0 km/h

Hourly forecast issued 27.09.2026 for Chalais (610 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Chalais weather tomorrow

Tomorrow, Monday 28 Sep, in Chalais: overcast, 14 to 30 °C, wind up to 17 km/h. No precipitation expected.

Chalais weekend weather

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

Will it rain in Chalais this week?

Yes: 1 day with precipitation is expected in Chalais over the next 7 days, 5.4 mm in total. Wettest day: Thursday 1 Oct (5.4 mm).

The best day to go out in Chalais

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

The last 7 days in Chalais

From 20 Sep to 26 Sep: 18.1 °C on average, 0 mm of precipitation. Warmest day: sunday 20 Sep (27 °C); coolest night: saturday 26 Sep (10 °C).

Day	Min	Max
Sun 20 Sep	11 °C	27 °C
Mon 21 Sep	12 °C	25 °C
Tue 22 Sep	10 °C	24 °C
Wed 23 Sep	11 °C	25 °C
Thu 24 Sep	11 °C	26 °C
Fri 25 Sep	10 °C	25 °C
Sat 26 Sep	10 °C	26 °C

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

Climate of Chalais: 1991–2020 normals

In Chalais (610 m), the mean annual temperature is 10.8 °C. The warmest month is July (19.5 °C on average) and the coldest January (2.6 °C). About 681 mm of precipitation falls per year, peaking in December (78 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 31.7 °C and the absolute minimum −7.9 °C.

10.8 °CMean annual temperature

681 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.

Month	Mean T	Abs. max	Abs. min	Precip. (mm)	Sunshine (h)	Frost days	Summer days
Jan	2.6 °C	13.0 °C	−7.9 °C	68	90	24	0
Feb	2.9 °C	14.4 °C	−7.9 °C	56	130	20	0
Mar	6.3 °C	18.4 °C	−4.8 °C	47	188	9	0
Apr	9.8 °C	22.1 °C	−1.2 °C	42	209	1	2
May	13.9 °C	26.6 °C	3.6 °C	62	225	0	8
Jun	17.6 °C	30.5 °C	7.0 °C	57	251	0	17
Jul	19.5 °C	31.7 °C	9.5 °C	62	269	0	22
Aug	19.3 °C	31.3 °C	8.8 °C	66	248	0	20
Sep	15.4 °C	26.6 °C	5.6 °C	41	208	0	7
Oct	11.6 °C	23.0 °C	1.6 °C	47	159	2	0
Nov	6.6 °C	18.1 °C	−3.6 °C	55	94	11	0
Dec	3.5 °C	13.8 °C	−6.9 °C	78	66	23	0
Year	10.8 °C	31.7 °C	−7.9 °C	681	2137	90	77

Source: MeteoSwiss open data (1991–2020 normals) — stations Montana (6 km, 1423 m), Sion (15 km, 482 m), Evolène / Villa (17 km, 1825 m), adjusted to the elevation of Chalais (610 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.