Traveling to Port de Saint-Cast, Saint-Cast-le-Guildo, France? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 7:14 AM and don’t miss the sunset at 4:28 PM. Today’s winds are traveling east at a speed of 5 MPH. The temperature feels like 53 with a humidity level of 82. Cloud coverage is 55 percent with 14.9 percent visibility. Today’s UV index is 2 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.