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 11:08 AM. The temperature feels like 69 with a humidity level of 68 so dress accordingly. Cloud coverage is 11 percent with visibility at 14 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 17 MPH. At the end of the day don’t miss the sunset at 11:53 PM.