Observatory staff plow their way to the summit for shift change on Wed., April 26. The snowline currently begins around 4,500 feet in elevation.  Dear Member, The month of May marks a turn toward the warm part of the year. Average daily temperatures already have risen, though

Celebrating Big Wind Day  U.S. Weather Bureau Daily Map for April 12, 1934. Dear Member, Eighty-nine years ago today, Mount Washington Observatory, in its second year of existence, recorded a world-record wind speed of 231 miles per hour – a record that would stand for over 60 years.

Mount Jefferson, shortly after sunrise on March 5. Dear Member, After having run and hiked up Mount Washington numerous times, my first trip in the snowcat as a new Observatory staff member was an amazing experience. It was a gorgeous bluebird day with almost no wind, and

This Feb. 4 sunrise time lapse was captured not long after our weather observers measured an actual temperature of -47° F, matching the Observatory's record low set in 1934, despite wind chill values approaching -110°F. View video. Dear Member, The beginning of February was one for the record books,

Weather Observer Hayden Pearson views the sunset above the sea of clouds on Jan. 14. A larger version of this image by Meteorologist Ryan Knapp can be viewed here. Dear Member, Welcome to 2023! Here at the Observatory we’re excited to start the New Year on the right

Weather Observer & Meteorologist Alexis George decorates our Christmas tree, generously donated by volunteers Michael and Sue Zlogar, in the summit weather station living quarters on Dec. 8. Dear Member, This time of year is often full of festive celebrations and anticipation of winter weather. The summit

Dear Member, We’ve got exciting news this holiday season that requires your support. Plans are underway that will offer you more opportunities than ever before to engage with the Observatory. Already, our weather team continues daily mountain forecasting to ensure you're prepared for your next adventure in the White Mountains

Support the Observatory Become a member Renew your membership Dear Member, Today, on Founders Day, we mark our 90th anniversary. Oct. 15, 1932 was the first full day of Mount Washington Observatory's reoccupation of the summit, reinvigorating the scientific work that had begun late in the 19th century. We recognize