Showers are forecast in the Chamonix valley every day until Friday. Thursday looks the wettest, with around 5.5 mm of rain. Wednesday and Friday stay close to dry. In the valley at 1,034 metres, highs sit between 18 and 20 °C and nights stay near 13 °C. Higher up it will be much colder. Pack the shell anyway.
Chamonix: showers until Friday, Thursday the wettest day
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