Keck Observatory on Hawaii's Big Island atop Mauna Kea - taken just before sunset and a temperature of only 43 degrees!
That's Subaru on the left, the mighty Kecks in the center, and NASA on the right. You can just see the Kohala Mountain poking through the clouds, then the ocean, then Haleakala on the Island Maui standing proudly - taken just before sunset and a temperature of only 43 degrees!