What is the weather in Grimisuat today?

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

What is the 15-day forecast for Grimisuat?

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

Will it rain tomorrow in Grimisuat?

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

What is the air quality in Grimisuat?

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

Are there weather alerts for Grimisuat?

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

At what altitude is Grimisuat located?

Grimisuat sits at around 858 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 Grimisuat?

The warmest month in Grimisuat is July, averaging 18.4 °C (1991–2020 normal). The coldest is January at −0.7 °C.

How much does it rain in Grimisuat per year?

Grimisuat receives about 663 mm of precipitation a year. The wettest month is December (77 mm), the driest April (39 mm).

When is the best time to visit Grimisuat?

For warmth and sunshine: July (18.4 °C on average, — h of sun). The coldest month is January (−0.7 °C). Check the 15-day forecast above for your dates.

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Weather in Grimisuat

Valais, 858 m · continuously updated

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

Temperature · last 4 and next 28 hours

Grimisuat weather: the next 24 hours

Updated hourly.

Grimisuat weather hour by hour (48 h)

Grimisuat 15-day forecast

Two-week trend.

Grimisuat 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 Grimisuat

Neighbouring municipalities, as the crow flies.

Savièse0 km Sion2 km Ayent4 km Vex4 km Saint-Léonard5 km Veysonnaz6 km Arbaz7 km Nendaz7 km

7-day forecast for Grimisuat

Today (Sunday 27 Sep) in Grimisuat: sunny, 14 to 25 °C, precipitation 0.0 mm (0 %), wind up to 12 km/h. Tomorrow: overcast, 15 to 25 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	sunny	14 °C	25 °C	0.0 mm	12 km/h
Tomorrow	overcast	15 °C	25 °C	0.0 mm	15 km/h
Tue 29 Sep	overcast	14 °C	25 °C	0.2 mm	9 km/h
Wed 30 Sep	overcast	15 °C	20 °C	0.0 mm	9 km/h
Thu 1 Oct	light rain	13 °C	17 °C	5.4 mm	5 km/h
Fri 2 Oct	overcast	14 °C	22 °C	0.0 mm	7 km/h
Sat 3 Oct	overcast	13 °C	23 °C	0.0 mm	12 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 858 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Grimisuat

Sunday 27 Sep in Grimisuat, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 14 °C around 08:00, high 25 °C around 15:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	16 °C	10 km/h
01:00	sunny	16 °C	10 km/h
02:00	sunny	16 °C	9 km/h
03:00	sunny	15 °C	9 km/h
04:00	sunny	15 °C	9 km/h
05:00	sunny	15 °C	9 km/h
06:00	sunny	15 °C	9 km/h
07:00	sunny	14 °C	9 km/h
08:00	sunny	14 °C	8 km/h
09:00	sunny	16 °C	2 km/h
10:00	sunny	17 °C	2 km/h
11:00	sunny	19 °C	2 km/h
12:00	sunny	21 °C	2 km/h
13:00	sunny	23 °C	4 km/h
14:00	sunny	24 °C	9 km/h
15:00	sunny	25 °C	12 km/h
16:00	sunny	24 °C	12 km/h
17:00	sunny	24 °C	11 km/h
18:00	sunny	22 °C	7 km/h
19:00	sunny	20 °C	7 km/h
20:00	sunny	19 °C	8 km/h
21:00	mostly sunny	18 °C	8 km/h
22:00	partly cloudy	18 °C	7 km/h
23:00	partly cloudy	18 °C	6 km/h

Hourly forecast issued 27.09.2026 for Grimisuat (858 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Grimisuat weather tomorrow

Tomorrow, Monday 28 Sep, in Grimisuat: overcast, 15 to 25 °C, wind up to 15 km/h. No precipitation expected.

Grimisuat weekend weather

This weekend in Grimisuat: Saturday overcast, 13 to 23 °C; Sunday sunny, 14 to 25 °C.

Will it rain in Grimisuat this week?

Yes: 1 day with precipitation is expected in Grimisuat over the next 7 days, 5.6 mm in total. Wettest day: Thursday 1 Oct (5.4 mm).

The best day to go out in Grimisuat

The best day of the next 7 in Grimisuat: Sunday 27 Sep, sunny, up to 25 °C.

The last 7 days in Grimisuat

From 20 Sep to 26 Sep: 16.8 °C on average, 3.0 °C above the September normal (13.8 °C), 0 mm of precipitation (7-day normal: 10 mm). Warmest day: saturday 26 Sep (23 °C); coolest night: saturday 26 Sep (11 °C).

Day	Min	Max
Sun 20 Sep	13 °C	22 °C
Mon 21 Sep	13 °C	21 °C
Tue 22 Sep	12 °C	20 °C
Wed 23 Sep	12 °C	21 °C
Thu 24 Sep	13 °C	22 °C
Fri 25 Sep	12 °C	21 °C
Sat 26 Sep	11 °C	23 °C

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

Climate of Grimisuat: 1991–2020 normals

In Grimisuat (858 m), the mean annual temperature is 8.9 °C. The warmest month is July (18.4 °C on average) and the coldest January (−0.7 °C). About 663 mm of precipitation falls per year, peaking in December (77 mm) with a minimum in April (39 mm). The mean monthly maximum reaches 31.1 °C and the absolute minimum −10.5 °C.

8.9 °CMean annual temperature

663 mmPrecipitation per year

JFMAMJJASOND

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

Month	Mean T	Abs. max	Abs. min	Precip. (mm)
Jan	−0.7 °C	10.1 °C	−10.5 °C	61
Feb	0.7 °C	13.3 °C	−9.4 °C	48
Mar	5.1 °C	18.6 °C	−5.8 °C	43
Apr	9.0 °C	22.1 °C	−2.4 °C	39
May	13.0 °C	26.5 °C	1.7 °C	59
Jun	16.7 °C	30.1 °C	5.3 °C	55
Jul	18.4 °C	31.1 °C	7.7 °C	67
Aug	17.8 °C	30.7 °C	6.8 °C	67
Sep	13.8 °C	25.6 °C	3.5 °C	42
Oct	9.2 °C	21.3 °C	−1.3 °C	48
Nov	3.7 °C	16.4 °C	−6.4 °C	56
Dec	−0.1 °C	10.7 °C	−9.9 °C	77
Year	8.9 °C	31.1 °C	−10.5 °C	663

Source: MeteoSwiss open data (1991–2020 normals) — stations Sion (4 km, 482 m), Montana (9 km, 1423 m), Les Diablerets (15 km, 2964 m), adjusted to the elevation of Grimisuat (858 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.