What weather is expected in Paris this Sunday for PSG's celebrations at the Champ de Mars?

You’re looking at an audience of 80,000 to 100,000 supporters expected this Sunday, May 31, 2026 at the Champ de Mars, in the 7th arrondissement of Paris, to mark the PSG’s victory in the Champions League over Arsenal. Before joining the celebrations at the foot of the Eiffel Tower, a weather briefing is in order. According to Météo-France, the day opens with bright spells and temperatures around 23°C in the morning, making it a perfectly pleasant setting for a large outdoor gathering.

The week proved draining, to say the least. Since Monday, May 25, Paris and Île-de-France endured a heat dome, with temperatures hovering around 33°C for several consecutive days. This Sunday marks the end of the spell, and it’s a real breath of fresh air for the thousands of fans about to spend hours outdoors. The oceanic current is gradually reasserting itself, bringing a mixed sky and far less suffocating conditions than at the start of the week. We can breathe again.

One area to watch remains: thunderstorms are likely late in the afternoon and into the evening, with a risk of gusty winds and hail, especially to the east of Île-de-France. The Champ de Mars celebration is set to begin at 2 p.m., so the afternoon window should pass without incident, but it’s wise to anticipate a possible downturn in the evening if you plan to stay until the end. A lightweight windbreaker in your bag is a good idea.

On the attire front, we favor breathable and comfortable clothing: 23°C in full sun, surrounded by a dense crowd, heat builds quickly. A bottle of water is essential, as distribution points are likely to be heavily used. Paris remains under an orange alert for heatwave and thunderstorms, two phenomena overlapping during this transitional period: stay alert to the warnings from Météo-France throughout the day.

• To be read
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To reach the site, note that traffic restrictions are in place around the Champ de Mars from 12:00 to 20:00, with parking banned since Saturday evening on several routes in the 7th arrondissement. Public transport remains clearly the safest and most practical option. That said, be aware that there are stations closed. Follow the guide to get there and to learn about the access points.

In short, the weather is offering a pleasant window for this popular Parisian festival, as long as you keep an eye on the later storm risk. It will be warm but cooler, all in all not a bad trade-off. Paris welcomes its champions in the gentle May evening, and that’s something not to be missed.

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