If you planning to travel to Manuka State Park, Captain Cook, Hawaii, 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 4:30 PM. The temperature feels like 78.4 with a humidity level of 69 so dress accordingly. Cloud coverage is 0 percent with visibility at 14.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 25 MPH. At the end of the day don’t miss the sunset at 3:39 AM.