Mount Washington Observatory

By Saturday at 7 a.m., temperatures had dipped as far down as -45 degrees, two degrees shy of the lowest ever, with a wind chill that made it feel like -109, a new wind chill record for the observatory.

New England experienced record-breaking cold as arctic air swept into the region Friday and Saturday, dropping temperatures below zero for millions. One place laid a claim for coldest in New England: Mount Washington Observatory in New Hampshire’s White Mountains, which made history nationwide. As of about 3 p.m. Friday, the observatory had already hit 36 degrees below zero, breaking the…

In one of the coldest and windiest places in the United States, a cat dozed through a historic storm Friday, with winds whipping up to 120 mph and the thermometer dropping far below -32 Fahrenheit. Nimbus, the cat who lives 6,288 feet above sea level at Mount Washington Observatory in New Hampshire’s White Mountains, was nice and warm while the…

The highest peak in the Northeast is expecting extreme temperatures Friday and Saturday.

The crew at the Mount Washington Observatory in New Hampshire have to deal with some of the most extreme conditions. We caught up with them during this weekend’s blizzard.

Tuesday’s temperatures are cold. I mean, really cold. We’re talking single digits in greater Boston. But if you want to experience REAL cold, head to the top of New Hampshire’s Mount Washington. The Mount Washington Observatory, known for chronicling some of the nation’s worst weather conditions, posted a photo on social media Tuesday morning showing off a fork suspended...

A new analysis of meteorological data collected atop the Northeast’s highest peak is shedding light on how climate change is playing out in the mountains.