Traveling to La Grande Plage, 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 7:29 AM and don’t miss the sunset at 4:19 PM. Today’s winds are traveling south at a speed of 24 MPH. The temperature feels like 62 with a humidity level of 74. Cloud coverage is 27 percent with 12.5 percent visibility. Today’s UV index is 0 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.