If you planning to travel to Cedar Rock State Park (Lowell Walter Residence), Winthrop, Iowa, 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 10:33 AM. The temperature feels like 65.2 with a humidity level of 62 so dress accordingly. Cloud coverage is 15 percent with visibility at 13 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 12 MPH. At the end of the day don’t miss the sunset at 1:37 AM.