Mount Washington 7-Day Snow Forecast

Mount Washington Long-Range Snow Forecast Updated today

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Updated 11 May 2026 05:43 UTC

Long-Range Snow Forecast for Mount Washington

Long-range (14 to 45 days) from 11 May.

For Forecast detail, see below.

Mount Washington Snow Forecast Highlights

When will there be fresh snow in Mount Washington?

Mount Washington Snow Forecast Highlights - GEM
Snowfall prediction at mid-mountain (1,350m)
Next Snow Expected	16 May
Next Snow Amount	13cm 5in
Next 48 Hours	- -
Next 7 Days	24cm 9in

Long-range Snow Outlook for Mount Washington

Snowfall

Snow Line

Max 18℃ 64°F
Min -1℃ 30°F

20cm 8in New Snow

Snow Line from 1,341m 4,400ft to resort level ( 1,110m 3,642ft ).

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Mount Washington Long-Range (2 weeks+) Snow Forecast Outlook

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

16 Day Weather and Snow Forecast for Mount Washington from OpenMeteo(GEM)
	Snow and Weather	Temp Town
Mon 11	Clear sky.	Max 12℃ 54°F Min 1℃ 33°F
Tue 12	Clear sky.	Max 18℃ 64°F Min 6℃ 42°F
Wed 13	Cloudy.	Max 13℃ 56°F Min 4℃ 39°F
Thu 14	Clear sky.	Max 9℃ 48°F Min 0℃ 32°F
Fri 15	up to 1cm New Snow Cloudy. Snow Line from 1,341m 4,400ft to resort level ( 1,110m 3,642ft ).	Max 4℃ 40°F Min 0℃ 33°F
Sat 16	10cm to 13cm 4in to 5in New Snow Heavy snow at altitude, heavy rain showers below. Snow Line from 1,202m 3,944ft to resort level ( 1,110m 3,642ft ).	Max 2℃ 36°F Min -1℃ 30°F
Sun 17	4cm to 5cm 1in to 2in New Snow Light snow showers. Snow Line from 1,172m 3,845ft to resort level ( 1,110m 3,642ft ).	Max 2℃ 36°F Min -1℃ 30°F

This Snow Forecast for Mount Washington, Canada gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Mount Washington, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Mount Washington Snow Forecast updated at 05:43 UTC, next update expected imminently.

Ensemble forecast for Mount Washington, Canada at 1,110m

Daily Mean Temperature (yellow line is control)

Daily Total Precipitation (blue line is control)

What are Forecast Ensembles ? Multiple forecasts from running the same weather model with slightly different inputs. The prominent line (the 'control') is the model output from standard inputs, the thinner lines are the variations. Plotted together, they show a range of possible outcomes; the closer they are, the higher the confidence.

How to read Long Range Ensemble Forecasts

These forecasts are from ECMWF EC46, a long-range, low-resolution (area) model. They may not accurately reflect local conditions and should be read as area forecasts, indicating whether the coming weeks are likely to be warmer, colder, wetter, or drier than average.

What to look for?

Temperatures trending downward at the same time as precipitation spikes upward... means snow!

Lines close together indicate a high confidence, while wider spreads signal uncertainty.

Snow Reliability

The snow reliability at Mount Washington is commendable, with an average snowfall of 150 inches per year. Snow depths can reach up to 70 inches, making it ideal for winter sports enthusiasts; check J2Ski for the latest snow conditions.

Off-Piste Safety in Mount Washington

Before skiing or snowboarding off-piste in Mount Washington, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.