Summit today
Is it safe to climb Grand Cornier today?
Grand Cornier today (updated 05:32, 18 Oct): up to -6°C at the summit, feeling as cold as -15°C, summit wind 40 mph gusting 58 mph, 80% chance of rain, with 3.2 cm of snow forecast. A poor day for the hills. Best day this week: Saturday, summit gusts 34 mph.
Grand Cornier weather today
Heavy snow showers, up to -6°C at the summit, feeling as cold as -15°C, summit wind 40 mph gusting 58 mph, 80% chance of rain. Rated Poor.
Grand Cornier weather tomorrow
Monday 19 October: heavy snow showers, up to -5°C at the summit, feeling as cold as -14°C, summit wind 34 mph gusting 47 mph, 83% chance of rain. Rated Marginal.
Grand Cornier weather this weekend
Sunday 18 October: heavy snow showers, up to -6°C at the summit, feeling as cold as -15°C, summit wind 40 mph gusting 58 mph, 80% chance of rain. Rated Poor.
Grand Cornier summit forecast, next 7 days
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| TodayLight snow | Poor | -6°/-8° | -15° | 40/58 | 80% |
|---|
| TomorrowA dusting of snow | Marginal | -5°/-6° | -14° | 34/47 | 83% |
|---|
| Tue 20A dusting of snow | Poor | -4°/-6° | -11° | 45/56 | 96% |
|---|
| Wed 21A dusting of snow | Marginal | -6°/-11° | -16° | 28/35 | 96% |
|---|
| Thu 22Overcast | Marginal | -7°/-12° | -17° | 27/34 | 60% |
|---|
| Fri 23A dusting of snow | Marginal | -7°/-12° | -17° | 28/36 | 12% |
|---|
| Sat 24A dusting of snow | Marginal | -12°/-16° | -22° | 26/34 | 27% |
|---|
Grand Cornier 14-day weather forecast: days 8 to 14, less certain
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| Sun 25A dusting of snow | Marginal | -16°/-29° | -33° | 24/36 | 57% |
|---|
| Mon 26Mainly clear | Marginal | -11°/-28° | -30° | 35/44 | 48% |
|---|
| Tue 27Partly cloudy | Marginal | -8°/-14° | -19° | 17/26 | 14% |
|---|
| Wed 28Mainly clear | Marginal | -7°/-14° | -19° | 6/24 | 11% |
|---|
| Thu 29Overcast | Marginal | -5°/-12° | -17° | 7/12 | 17% |
|---|
| Fri 30Overcast | Marginal | -5°/-12° | -15° | 14/16 | 17% |
|---|
| Sat 31Mainly clear | Marginal | -4°/-11° | -16° | 19/24 | 16% |
|---|
Routes up
Routes coming soon
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Grand Cornier each morning this week, from overnight temperature, humidity and low cloud below the 3969m summit.
Dark sky · 7 days
How dark the sky gets over Grand Cornier each night this week, from cloud cover, moonlight and local light pollution.
Snow · 7 days
Snow is forecast at the summit on 6 of the next 7 days, about 9.4 cm in all, most on Sunday (3.2 cm). Lying snow up to 37 cm deep.
Sun today
Sunrise 07:50, sunset 18:38
10h 48m of daylight. Golden hour ends 08:31 and starts 17:57. From the summit you see the sun 07:39 to 18:49.
Nearby summits
Close to Grand Cornier
About Grand Cornier
Grand Cornier is 3,969 m (13,022 ft) high. It is in Alps, Switzerland. The nearest summits are Dent Blanche (2.0 km), Pointe de Bricolla (1.9 km) and Grand Gendarme (2.5 km).
How high is Grand Cornier?
Grand Cornier is 3,969 metres high.
Where is Grand Cornier?
Grand Cornier is listed in Alps, Switzerland.
Are there routes for Grand Cornier?
Route data is not available for this mountain yet, but the page still shows summit, weather, and location context.
Is it safe to climb Grand Cornier today?
Peakify rates each day on the summit Good, Marginal or Poor from the forecast summit wind, gusts, chance of rain and wind chill. Wind of 40 mph or gusts of 65 mph make it Poor; wind of 25 mph, gusts of 45 mph, a 60% chance of rain or a feels-like temperature of -8°C or below make it Marginal. Today's and tomorrow's ratings are at the top of this page. The rating covers the weather only: also check your route, daylight, kit and experience, and in winter whether you need an ice axe and crampons.
What is the weather on Grand Cornier tomorrow?
Monday 19 October: heavy snow showers, up to -5°C at the summit, feeling as cold as -14°C, summit wind 34 mph gusting 47 mph, 83% chance of rain. Rated Marginal.
What is the weather on Grand Cornier this weekend?
Sunday 18 October: heavy snow showers, up to -6°C at the summit, feeling as cold as -15°C, summit wind 40 mph gusting 58 mph, 80% chance of rain. Rated Poor.
What weather information is shown for Grand Cornier?
The page includes cached mountain forecast context, snow outlook, dark-sky signals, cloud-inversion information, sunrise, sunset, and summit planning details where available.
Written and kept up to date by the Peakify team. The forecast refreshes every hour; how our forecast works.
