Low pressure centered over Ireland will generate unstable weather over Lorient and the western part of Brittany.
Saturday
The disturbance along the Channel coast generates in the morning and a midday overcast with some rain on the western fringe of Morbihan; rainfall more pronounced on Finistere.
Cover more compact cloud north of Quéven-Caudan Kervignac-axis with a few showers. southwest wind low in the morning, moderate to mid-day freshening (force 4 gusting 30-35 km/h, 40-50 Groix and the exposed coast). Fort Blocked: swell from west 1.5m. Min: 15 / 16 degrees; maximum: 21 / 22 degrees; (15 / 16 degrees to 22 / 23 degrees inland). Dominant very cloudy with some showers in the evening; 19 degrees at 8pm and 17 degrees at Midnight.
Sunday
Cloudy in the morning before the return of a bright sky in the morning with thunderstorms and high altitude sails.
In the afternoon, the sky, the first variable becomes unstable with brief cloudy, cumulus, thunderstorm under a fresh wind. Fort Blocked: westerly swell. Min: 14 / 15 degrees; maximum: 19 / 20 degrees (13 / 14 degrees to 19 / 20 degrees inland). Back to cloudy; 18 degrees at 8pm and 15 degrees at midnight.
Temperatures
The number of days that the temperatures exceeded the threshold of 30 degrees in July. But no strong heat since the 19th July. In 2017, the cumulative days that the temperatures exceeded 30 degrees is already rising to 10 days; two in May, four in June and July respectively.
