28–29 Mar 2026 386 days to go! #BostonOutdoorExpo

Mount Washington Observatory

Mount Washington Observatory (MWOBS) is a private, nonprofit, member-supported institution with a mission to advance understanding of the natural systems that create Earth’s weather and climate. It serves this mission by maintaining a weather station on the summit of Mount Washington, performing weather and climate research, conducting innovative science education programs, and interpreting the heritage of the Mount Washington region.