Weekly weather forecast: Heavy rain in the south, calmer in the north

Marseille: conditions ease late in the week after rain

In Marseille, the week of October 17–23, 2026, begins and ends in sunshine, with a period of heavy rain in the middle of the week. Saturday, October 17, is sunny with a high of 24°C, then turns cloudier on Sunday, October 18 (19°C). Rain sets in afterward: there is an 80% chance on Monday, October 19, and a 90% chance on Tuesday, October 20, with a high of 22°C, followed by a 70% chance on Wednesday, October 21. Sunshine returns on Thursday, October 22, and Friday, October 23, with only a 10% chance of rain and highs of 20–21°C.

Lyon: rainy spell from Monday to Thursday

In Lyon, the week of October 17–23, 2026, remains cloudy at the start before a rainy spell from Monday to Thursday, with sunshine returning late in the week. Saturday, October 17, is cloudy with a high of 17°C and a 40% chance of rain; similar conditions are expected Sunday, October 18, with a high of 14°C. Rain sets in afterward, with a 70% chance on Monday, October 19, Tuesday, October 20, and Wednesday, October 21, the wettest day, with highs of around 17–18°C. Passing showers persist on Thursday, October 22 (60%), before sunshine returns Friday, October 23, with a 10% chance of rain and a high of 16°C.

Paris and Lille: mostly dry week

In Paris, the week of October 17–23, 2026, is expected to remain mostly dry, with a passing shower possible in the middle of the week. The chance of rain remains at 10% on Saturday, October 17, and Sunday, October 18, with highs of 16°C and 14°C, respectively. Sunny weather with a passing shower is forecast for Monday, October 19 (50%, 14°C), followed by cloudy skies on Tuesday, October 20, and Wednesday, October 21 (40% and then 30%), and sunny spells on Thursday, October 22, and Friday, October 23, with highs around 16°C. In Lille, a passing shower is also possible Saturday, October 17 (50%). Conditions then ease, with rain chances below 40% and highs ranging from 13°C on Sunday, October 18, to 17°C on Tuesday, October 20, before holding around 15–16°C.