For Rennes : 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 end.
Very cloudy in the morning, cloud and sun in the afternoon. Light showers progressively dying out in the morning, no precipitation in the afternoon.
In the evening, cloud and long sunny periods. No precipitation. SW force 4 turning W in the middle of the day then SW force 3. Gusts reaching 25 knots in the middle of the day. Excellent visibility becoming poor in the evening.