Weather of the week
The heat wave will increase on French -speaking Switzerland
After a sunny weekend, the heat will remain present this week. The peak is expected on Wednesday, with up to 35 degrees in Geneva.
A person performs an acrobatic plunge from a springboard during the inauguration of the Mélèzes swimming pool in La Chaux-de-Fonds on June 21, 2025.
Keystone
If you have had hot this weekendyou risk suffering temperatures again this week. These next few days are expected to bring their heat share.
This Monday, after the morning showers, a “sunny” time should wait for the people in the plain, reports Weather. On the mountain side, it will be “quite sunny, with cloudy passages increasing during the day”.
Watch out for Stormy showers “On the northern slope of the Alps and in Valais in the afternoon”. Mercury should reach 28 degrees in Lausanne, 29 in Neuchâtel. It will be warmer in Sion, up to 31 degrees, and in Geneva, 32 degrees.
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The day of mardi will also be sunny, “with at most a few harmless cumulus in the Alps”. It will be between 20 and 30 degrees in Lausanne, 19 and 30 in Neuchâtel, 19 and 32 in Geneva and 18 and 33 in Sion.
Temperatures exceeding 30 degrees
Do not forget to slide water and a cap into your belongings Wednesdaybecause the day promises to be sunny and very hot. Mercury should climb up to 35 degrees in Geneva and Sion and 32 in Lausanne and Neuchâtel. Cumulus should still train at the end of the day. In addition, isolated thunderstorms are not to be excluded overnight.
THURSDAYwe can expect “many clouds in the morning, with a few showers”. These will give way to “a fairly sunny weather with cumulus in the mountains and again a few sometimes stormy showers in the afternoon”, details Météosuisse. On the side of temperatureshe will be between 21 and 27 degrees in Lausanne, 21 and 28 in Geneva, 20 and 27 in Neuchâtel and 19 and 29 in Sion.
The day of Friday should be “very sunny”, with “a few residual clouds along the reliefs”. The thermometer will display up to 28 degrees in Lausanne and Neuchâtel, 30 in Geneva and 31 in Sion.
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