If you planning to travel to Jim Neville Marine Preserve, Siesta Key, Florida, 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 11:50 AM. The temperature feels like 73.4 with a humidity level of 78 so dress accordingly. Cloud coverage is 20 percent with visibility at 12.7 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 12 MPH. At the end of the day don’t miss the sunset at 10:38 PM.