If you planning to travel to Patapsco Valley State Park, Baltimore, Maryland, 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 11:01 AM. The temperature feels like 63.2 with a humidity level of 96 so dress accordingly. Cloud coverage is 84 percent with visibility at 8.7 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northeast at a speed of 9 MPH. At the end of the day don’t miss the sunset at 10:52 PM.