Aiguille de Bionnassay weather forecast

4,052 m · 13,294 ft · Prominence 164 m
-7°
Marginal

Summit wind 35 mph, gusts 55 mph, 55% chance of rain.

Next 48 hours · summitNow

Summit today

Is it safe to climb Aiguille de Bionnassay today?

Aiguille de Bionnassay today (updated 17:24, 18 Oct): up to -6°C at the summit, feeling as cold as -18°C, summit wind 45 mph gusting 68 mph, 73% chance of rain, with 7 cm of snow forecast. A poor day for the hills. Best day this week: Friday, summit gusts 51 mph.

Aiguille de Bionnassay weather today

Heavy snow showers, up to -6°C at the summit, feeling as cold as -18°C, summit wind 45 mph gusting 68 mph, 73% chance of rain. Rated Poor.

Aiguille de Bionnassay weather tomorrow

Monday 19 October: slight snow showers, up to -4°C at the summit, feeling as cold as -16°C, summit wind 40 mph gusting 60 mph, 23% chance of rain. Rated Poor.

Aiguille de Bionnassay weather this weekend

Sunday 18 October: heavy snow showers, up to -6°C at the summit, feeling as cold as -18°C, summit wind 45 mph gusting 68 mph, 73% chance of rain. Rated Poor.

Aiguille de Bionnassay summit forecast, next 7 days

DayVerdictHigh/lowFeels likeWind/gust mphRain or snow
TodayLight snowPoor-6°/-8°-18°45/6873%
TomorrowSlight snow showersPoor-4°/-7°-16°40/6023%
Tue 20Light snowPoor-5°/-8°-15°40/6256%
Wed 21Light snowMarginal-8°/-16°-22°25/4987%
Thu 22OvercastMarginal-9°/-16°-22°25/3964%
Fri 23A dusting of snowPoor-8°/-14°-20°40/5139%
Sat 24A dusting of snowPoor-10°/-16°-21°47/5847%
Aiguille de Bionnassay 14-day weather forecast: days 8 to 14, less certain
DayVerdictHigh/lowFeels likeWind/gust mphRain or snow
Sun 25Light snowMarginal-6°/-12°-15°36/5269%
Mon 26A dusting of snowMarginal-10°/-20°-25°33/5163%
Tue 27A dusting of snowMarginal-7°/-20°-18°32/4025%
Wed 28Moderate snowMarginal-10°/-22°-25°23/4335%
Thu 29Partly cloudyMarginal-6°/-22°-27°23/2822%
Fri 30OvercastMarginal-4°/-13°-18°9/1214%
Sat 31Clear skyMarginal-5°/-12°-18°8/1914%

Routes up

Routes coming soon

Cloud inversion · 7 days

The chance of standing above a sea of cloud on Aiguille de Bionnassay each morning this week, from overnight temperature, humidity and low cloud below the 4052m summit.

Dark sky · 7 days

How dark the sky gets over Aiguille de Bionnassay each night this week, from cloud cover, moonlight and local light pollution.

Snow · 7 days

Snow is forecast at the summit on 4 of the next 7 days, about 20.3 cm in all, most on Wednesday (7.7 cm). Lying snow up to 121 cm deep.

Sun today

Sunrise 07:53, sunset 18:42

10h 49m of daylight. Golden hour ends 08:34 and starts 18:00. From the summit you see the sun 07:42 to 18:52.

About Aiguille de Bionnassay

Aiguille de Bionnassay is 4,052 m (13,294 ft) high with 164 m of prominence. It is in Alps, France. The nearest summits are Aiguille de Bionnassay (0.5 km), Tour des Aiguilles Grise (0.9 km) and Piton des Italiens (0.9 km).

How high is Aiguille de Bionnassay?

Aiguille de Bionnassay is 4,052 metres high with 164 metres of prominence.

Where is Aiguille de Bionnassay?

Aiguille de Bionnassay is listed in Alps, France.

Are there routes for Aiguille de Bionnassay?

Route data is not available for this mountain yet, but the page still shows summit, weather, and location context.

Is it safe to climb Aiguille de Bionnassay 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 Aiguille de Bionnassay tomorrow?

Monday 19 October: slight snow showers, up to -4°C at the summit, feeling as cold as -16°C, summit wind 40 mph gusting 60 mph, 23% chance of rain. Rated Poor.

What is the weather on Aiguille de Bionnassay this weekend?

Sunday 18 October: heavy snow showers, up to -6°C at the summit, feeling as cold as -18°C, summit wind 45 mph gusting 68 mph, 73% chance of rain. Rated Poor.

What weather information is shown for Aiguille de Bionnassay?

The page includes cached mountain forecast context, snow outlook, dark-sky signals, cloud-inversion information, sunrise, sunset, and summit planning details where available.

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