If you planning to travel to St-Martin Harbor, Saint-Martin-de-Re, France, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 4:18 AM. The temperature feels like 77.65 with a humidity level of 67 so dress accordingly. Cloud coverage is 0 percent with visibility at 12.9 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 7 MPH. At the end of the day don’t miss the sunset at 8:00 PM.