You can find the official Swiss weather forecast link at: https://www.meteoswiss.admin.ch/local-forecasts/geneva/1201.html#forecast-tab=detail-view
It can be very hot at UniMail (conference centre).
We recommend that you dress lightly and stay hydrated (water fountains are available in the congress centre). Don’t forget your water bottles!!
The river L’Arve is one minute walking distance from the conference venue. You can refresh yourself here. Google Map Access
(swimming in the river is prohibited)
A water sprayer is located in the park Baud-Bovy (behind UniMail building). Google Map Access