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Weather Grandevent

7-day forecast for Grandevent

Today (Thursday 20 Aug) in Grandevent: thunderstorms with hail, 17 to 25 °C, precipitation 14.8 mm (93 %), wind up to 38 km/h. Tomorrow: thunderstorms, 14 to 18 °C.

DayWeatherMinMaxPrecip.Wind
Todaythunderstorms with hail17 °C25 °C14.8 mm38 km/h
Tomorrowthunderstorms14 °C18 °C15.8 mm13 km/h
Sat 22 Augovercast12 °C19 °C0.0 mm10 km/h
Sun 23 Augpartly cloudy12 °C22 °C0.0 mm16 km/h
Mon 24 Augthunderstorms12 °C24 °C2.4 mm10 km/h
Tue 25 Augshowers15 °C22 °C9.9 mm9 km/h
Wed 26 Augovercast17 °C27 °C0.0 mm8 km/h

Forecast updated on 20.08.2026 at 15:41 (Open-Meteo model, elevation 799 m). The interactive block at the top refreshes hourly and covers 16 days.

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About Grandevent

Grandevent is a Swiss municipality located in the canton of Vaud (VD), at 46.842° latitude and 6.606° longitude. The municipality is part of the Prealps, temperate mountain climate, frequent winter snow at higher elevations. Also known as Grandevent, Grandevent benefits from precise weather monitoring with hourly and 15-day forecasts.

799m Elevation
Foothills Zone
Snow & altitude climate In the foothills snow lies for a few weeks each winter and inversion fog is common in the valley bottoms.

Climate of Grandevent

The climate in Grandevent is characteristic of the Prealps, temperate mountain climate, frequent winter snow at higher elevations. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Grandevent and neighboring municipalities.

On this page you will find the detailed weather forecast for Grandevent: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.

Climate of Grandevent: 1991–2020 normals

In Grandevent (799 m), the mean annual temperature is 8.6 °C. The warmest month is July (17.0 °C on average) and the coldest January (1.2 °C). About 1166 mm of precipitation falls per year, peaking in December (113 mm) with a minimum in February (78 mm). On average there are 176 frost days and 1 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 28.1 °C and the absolute minimum −9.4 °C.

8.6 °CMean annual temperature
1166 mmPrecipitation per year
176Frost days per year
16Summer days (≥ 25 °C)
JFMAMJJASOND

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

MonthMean TAbs. maxAbs. minPrecip. (mm)Frost daysSummer days
Jan1.2 °C11.3 °C−9.4 °C95270
Feb1.2 °C12.2 °C−9.0 °C78250
Mar4.1 °C15.2 °C−5.8 °C83250
Apr7.4 °C19.2 °C−2.9 °C81210
May11.3 °C23.0 °C1.7 °C105100
Jun14.9 °C26.5 °C5.2 °C10424
Jul17.0 °C28.1 °C8.0 °C10306
Aug16.8 °C27.4 °C7.5 °C10717
Sep12.9 °C22.7 °C4.2 °C9160
Oct9.4 °C20.0 °C0.0 °C108130
Nov4.8 °C15.8 °C−4.5 °C98210
Dec2.1 °C12.4 °C−7.9 °C113260
Year8.6 °C28.1 °C−9.4 °C116617616

Source: MeteoSwiss open data (1991–2020 normals) — stations Bullet / La Frétaz (2 km, 1205 m), Mathod (12 km, 435 m), La Brévine (16 km, 1050 m), adjusted to the elevation of Grandevent (799 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.

Nearby cities

Check the weather of cities near Grandevent:

Frequently asked questions about weather in Grandevent

What is the weather in Grandevent today?

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

What is the 15-day forecast for Grandevent?

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

Will it rain tomorrow in Grandevent?

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

What is the air quality in Grandevent?

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

Are there weather alerts for Grandevent?

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

At what altitude is Grandevent located?

Grandevent sits at around 799 m above sea level in the canton of Vaud. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Grandevent?

The warmest month in Grandevent is July, averaging 17.0 °C (1991–2020 normal). The coldest is January at 1.2 °C.

How much does it rain in Grandevent per year?

Grandevent receives about 1166 mm of precipitation a year. The wettest month is December (113 mm), the driest February (78 mm).

When is the best time to visit Grandevent?

For warmth and sunshine: July (17.0 °C on average, — h of sun). The coldest month is January (1.2 °C). Check the 15-day forecast above for your dates.