For PONTOISE : No gale warning.
We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will fall.
Overcast skies. Some light rain in the morning, possibility of a few spots in the afternoon.
In the evening, overcast skies. Chance of light rain. SSW wind force 4 continuing all day. Gusts reaching 28 knots in the middle of the day. Good visibility becoming excellent in the middle of the day.