Join us for 21st STP - Mount Washington Adventure Expo on July 16-17, 2021. Register, raise funds, earn prizes and to be a part of this amazing event.
Join Mount Washington Observatory staff each month as we bring experts from across the fields of weather, climate and beyond to the comfort of your home screen.
Mount Washington Observatory is a member-supported nonprofit institution. Members provide vital support for operating our mountaintop weather station, managing essential climate data, and publishing forecasts.