Summit today
Is it safe to climb Gross Grünhorn today?
Gross Grünhorn today (updated 06:17, 18 Oct): up to -7°C at the summit, feeling as cold as -18°C, summit wind 45 mph gusting 57 mph, 98% chance of rain, with 0.6 cm of snow forecast. A poor day for the hills. Best day this week: Saturday, summit gusts 33 mph.
Gross Grünhorn weather today
Slight snow showers, up to -7°C at the summit, feeling as cold as -18°C, summit wind 45 mph gusting 57 mph, 98% chance of rain. Rated Poor.
Gross Grünhorn weather tomorrow
Monday 19 October: heavy snow showers, up to -5°C at the summit, feeling as cold as -15°C, summit wind 40 mph gusting 52 mph, 90% chance of rain. Rated Poor.
Gross Grünhorn weather this weekend
Sunday 18 October: slight snow showers, up to -7°C at the summit, feeling as cold as -18°C, summit wind 45 mph gusting 57 mph, 98% chance of rain. Rated Poor.
Gross Grünhorn summit forecast, next 7 days
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| TodayA dusting of snow | Poor | -7°/-9° | -18° | 45/57 | 98% |
|---|
| TomorrowA dusting of snow | Poor | -5°/-7° | -15° | 40/52 | 90% |
|---|
| Tue 20A dusting of snow | Poor | -6°/-7° | -14° | 49/61 | 63% |
|---|
| Wed 21Light snow | Marginal | -6°/-13° | -19° | 32/40 | 94% |
|---|
| Thu 22Overcast | Marginal | -10°/-13° | -19° | 25/31 | 80% |
|---|
| Fri 23Light snow | Marginal | -10°/-13° | -17° | 30/38 | 19% |
|---|
| Sat 24A dusting of snow | Marginal | -13°/-17° | -23° | 26/33 | 31% |
|---|
Gross Grünhorn 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 | -18°/-30° | -35° | 36/45 | 59% |
|---|
| Mon 26Fog | Marginal | -14°/-30° | -34° | 23/29 | 53% |
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| Tue 27Overcast | Marginal | -9°/-19° | -24° | 14/20 | 22% |
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| Wed 28Fog | Marginal | -7°/-15° | -20° | 6/20 | 12% |
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| Thu 29Overcast | Marginal | -6°/-13° | -18° | 9/11 | 16% |
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| Fri 30Overcast | Marginal | -6°/-13° | -17° | 23/28 | 16% |
|---|
| Sat 31Mainly clear | Marginal | -5°/-13° | -16° | 25/31 | 16% |
|---|
Routes up
Routes coming soon
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Gross Grünhorn each morning this week, from overnight temperature, humidity and low cloud below the 4043m summit.
Dark sky · 7 days
How dark the sky gets over Gross Grünhorn 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 12.5 cm in all, most on Wednesday (4.3 cm). Lying snow up to 89 cm deep.
Sun today
Sunrise 07:49, sunset 18:36
10h 47m of daylight. Golden hour ends 08:30 and starts 17:54. From the summit you see the sun 07:38 to 18:46.
Nearby summits
Close to Gross Grünhorn
About Gross Grünhorn
Gross Grünhorn is 4,043 m (13,264 ft) high with 303 m of prominence. It is in Alps, Switzerland. The nearest summits are Grünegghorn (0.6 km), Klein Grünhorn (0.6 km) and Grünhörnli (1.6 km).
How high is Gross Grünhorn?
Gross Grünhorn is 4,043 metres high with 303 metres of prominence.
Where is Gross Grünhorn?
Gross Grünhorn is listed in Alps, Switzerland.
Are there routes for Gross Grünhorn?
Route data is not available for this mountain yet, but the page still shows summit, weather, and location context.
Is it safe to climb Gross Grünhorn 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 Gross Grünhorn tomorrow?
Monday 19 October: heavy snow showers, up to -5°C at the summit, feeling as cold as -15°C, summit wind 40 mph gusting 52 mph, 90% chance of rain. Rated Poor.
What is the weather on Gross Grünhorn this weekend?
Sunday 18 October: slight snow showers, up to -7°C at the summit, feeling as cold as -18°C, summit wind 45 mph gusting 57 mph, 98% chance of rain. Rated Poor.
What weather information is shown for Gross Grünhorn?
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.
