Mount Sunapee 7-Day Snow Forecast

Mount Sunapee Long-Range Snow Forecast Updated today

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Updated 12 June 2026 10:44 NZST

Long-Range Snow Forecast for Mount Sunapee

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

For Forecast detail, see below.

Mount Sunapee Snow Forecast Highlights

When will there be fresh snow in Mount Sunapee?

Mount Sunapee Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (606m)
Next Snow?
There is no snow currently in the forecast for Mount Sunapee.

Long-range Snow Outlook for Mount Sunapee

Snowfall

Snow Line

Max 30℃
Min 10℃

Snow unlikely

Mount Sunapee 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 Sunapee from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Thu 11	Fair.	Max 29℃ Min 21℃
Fri 12	Fair.	Max 29℃ Min 22℃
Sat 13	Clear sky.	Max 26℃ Min 16℃
Sun 14	Clear sky.	Max 30℃ Min 14℃
Mon 15	Clear sky.	Max 23℃ Min 11℃
Tue 16	Clear sky.	Max 22℃ Min 10℃
Wed 17	Rain showers.	Max 20℃ Min 12℃

No significant snowfall is forecast for this period.

This Snow Forecast for Mount Sunapee, United States 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 Sunapee, 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 Sunapee Snow Forecast updated at 10:44 NZST, next update expected 16:00 NZST.

Ensemble forecast for Mount Sunapee, USA at 375m

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

Mount Sunapee typically receives an average snowfall of around 100 inches per season, ensuring good snow depth throughout winter. For the latest snow conditions and updates, check J2Ski for reliable information.

Off-Piste Safety in Mount Sunapee

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