Mount Washington Observatory is a private, nonprofit, member-supported institution with a mission to advance understanding of the natural systems that create Earth’s weather and climate.

Our weather station is located on the summit of Mount Washington in New Hampshire, at Mount Washington State Park.

Mountain weather is subject to rapid changes and extreme conditions. This forecast is just one tool to help you plan a safe trip. Always travel with adequate clothing, shelter, food, and water, …

Our weather station and Extreme Mount Washington Museum are located in Mount Washington State Park in the Sherman Adams Visitor Center. Between mid-May to mid-October, you can …

A PDF containing the Mount Washington Valley forecast, higher summits forecast, Auto Road Vertical Temperature Profile, morning conditions on Mount Washington, a recap of yesterday’s …

View our live streaming and still-image weather webcams located on Mount Washington in New Hampshire and surrounding mountains.

The summit is accessible seasonally by car (via the Mt. Washington Auto Road) and foot (via several hiking trails). SUMMER VISITS. Mt. Washington State Park, and thus our facilities, are …

A live streaming camera view of the surrounding regions from a 360 degree camera located at the summit of Mount Washington in New Hampshire, on top of the Mount Washington Observatory …

Our weather station is located on the summit of Mount Washington in New Hampshire, at Mount Washington State Park.

No visit to the White Mountains is complete without a drive on the legendary Mt. Washington Auto Road. First opened in 1861, the Auto Road is America’s oldest man-made tourist attraction. …