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Chamonix Weather Forecast - Daily Weather Report & 5 Day Forecast

 

Chamonix Weather Today Tuesday 28 May

Fairly sunny after the gray weather dissipated - large cumulus clouds over the massifs this afternoon

Cloudiness: clear or slightly cloudy above 3000 m early in the morning, then in the valley around midday - large convective cumulus clouds in mid-mountains this afternoon and fairly thick banks at high altitude by the WSW from mid-afternoon – sunshine: 50%

No precipitation

Winds according to altitude
in the valley: calm at very weak SW
in mid-mountain: weak variable – oscillating between W and N
in high mountains: NW weak to moderate -> moderate

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

Altitude of the isotherms:
0°C, 2800 -> 3200 m
-10°C, 4800 m

Wednesday 29  May

Disturbance on approach – cloudy deterioration, risk of showers – windy in the mountains

Cloudiness: quickly becoming cloudy in the morning - very cloudy to overcast in the second part of the afternoon - sunshine: 20%

Isolated showers possible from the beginning of the afternoon - little change before night

Wind aloft: WNW -> moderate W -> moderate to strong WNW or locally strong

Temperatures in the valley:
min, +8°C
max, +19°C

Thursday 30 May

Gloomy and rainy morning - sunny spells to follow - interspersed with stormy showers - strong wind at altitude

Cloudiness: overcast or very cloudy in the morning - clearings break through the cloud layer during the afternoon - sunshine: 35%

Continuous rain possible in the morning - evolving into thunderstorms in the afternoon - rain-snow limit around 2400 m - quantity of snow up to 20-30 cm around 2800 m, worked by the wind

Wind at altitude: WNW moderate to strong -> strong - gale possible in the evening

Temperatures in the valley: slightly rising

Friday 31 to Sunday 2 June Chamonix Weather

FRIDAY: very uncertain - the upper flow returns SW, still humid and unstable, the precipitation is rather light, but it is not hot (± 12°C maximum) and the atmosphere remains gloomy
SATURDAY: very uncertain - frequent precipitation - snow around 2000-2200 m at times - small hope of improvement with fleeting clearings at the end of the afternoon
SUNDAY: very uncertain - variable - passage disturbed in the middle of the day - snow possible around 2500-2700 m.