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Chamonix Weather Forecast - Daily Weather Report & 5 Day Forecast

 

Chamonix Weather Today Monday 13 May

Unstable, between clearings and cloudy periods - these more frequent and with risk of showers this afternoon

Cloudiness: alternation of clear spells and cloudy periods - temporarily very cloudy towards the middle of the afternoon - sunshine: 40%

Thunderstorms possible between 3:00 p.m. and 6:00 p.m. – rain-snow limit around 2600 m

Winds according to altitude
in valley: variable -> very weak SW - calm
in mid-mountains: SW weak to moderate - temporarily weak
in high mountains: weak to moderate SW -> weak - temporarily WSW

Temperatures in the valley:
min, +9°C
max, +19°C

Altitude of the isotherms:
0°C, 2900 -> 3000 m
-10°C, 4600 -> 4500 -> 4700 m

Tuesday 14 May

Foehnique in the morning before a disturbance passes in the afternoon - moderate precipitation

Cloudiness: Foehn clearing early in the morning - followed by high altitude passages which will become thick at midday - thick cover and ceiling in the valley in the afternoon - sunshine: 25%

Showers starting late in the morning - evolving into continuous rain during the afternoon, but rather light overall - rain-snow limit decreasing around 2500 m - possible amount of snow around 2800 m: 15-25 cm

Wind at altitude: weak SW -> moderate SSW - puffs of foehn in the valley until mid or late morning

Temperatures in the valley:
min, +9°C
max, +17°C

Wednesday 15 May

Unstable - often very cloudy with showers - beginning of cooling

Cloudiness: very cloudy to overcast - fleeting sunny spells not impossible - sunshine: 15%

Scattered showers - rain-snow limit likely to drop around 2300 m in the evening - 10 cm of fresh snow around 2800 m

Wind at altitude: weak SW -> moderate SSW - puffs of foehn possible in the valley early in the morning

Temperatures in the valley: falling falling

Thursday 16 to Saturday 18 May Chamonix Weather

THURSDAY: variable, cool for the season, then passage of locally heavy showers in the afternoon - 15-25 cm of snow around 2200 m
FRIDAY: uncertain, unstable, unseasonably cool - a little snow to whiten the slopes above 2000-2100 m
SATURDAY: very uncertain - the risk of improvement seems very low…