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Weather Sunday April 25: nice and cool in the north, mild and unstable in the south

Through Gilles MATRICONmeteorologist


This Sunday April 25, the situation is changing compared to yesterday Saturday. If you keep a generous sun over 2/3 of the territory, ideal for walks and outdoor activities, cloud degradation is nevertheless gradually setting in place in some regions, with a slight risk of downpours.

To remember

– the sunny weather still so dry continues north of the Loire where the north-easterly wind is sensitive

– a cloud degradation is being set up in the south, with a risk of downpour

– the freshness in the northeast contrast with the very mild southwest weather

General context

The high pressures centered on the north of Europe are jostled by a depression which is widening on the Iberian peninsula. This depression brings up in an unstable southerly flow many clouds which are accompanied by a few showers in the evening in the vicinity of the Pyrenees. North of the Loire, the sun persists in an atmosphere cooled by a sensitive breeze, especially by the sea.

Details by regions

Of Channel coasts to the Pays de la Loire to the Parisian region until Great East and at Jura, you spend the day in the sun amid a few banks of high clouds. The breeze is particularly sensitive at the seaside, blowing up to 60-70 km / h in gusts and 40 to 50 km / h inland. It is cool this morning with 2 ° C to 7 ° C. Frost is avoided even if a few weak white frosts are nevertheless possible from Nord-Picardie to the Ardennes. In the afternoon, the highs range from 11 to 13 ° C in the Boulonnais, the Normandy beaches and the north of Brittany at 21 to 23 ° C from the south of Brittany to the Loire Valley.

Sure a central band stretching north of Aquitaine at Massif central to the Alpes, your Sunday is taking place under an increasingly cloudy sky. Despite these clouds, it is the impression of good weather that predominates thanks to the great mildness, even the heat of the afternoon with 22 to 25 ° C, a level at the end of June.

Of Aquitaine basin at Occitania to the mediterranean regions, the weather becomes very cloudy and heavy in the afternoon in the south of the Garonne with a few showers at the end of the day in the vicinity of the Pyrenees. The Autan wind is strengthening, reaching 70 km / h in gusts in the evening. It is mild this morning with 9 to 12 ° C. In the afternoon, count between 22 to 24 ° C in general with peaks around 25 ° C in Quercy and the Basque country. It is cooler by the Roussillon seaside because of the moderate sea breeze. Do not expect more than 16 to 18 ° C at the best time of the day.

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