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Sunday River Long-Range Snow Forecast - 13th September 2026

Sunday River Long-Range Snow Forecast Updated today

ECMWF IFS
GEM
GFS

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Updated 12 September 2026 18:49 BST

Long-Range Snow Forecast for Sunday River

Long-range (14 to 45 days) from 13 September.

For Forecast detail, see below.

Sunday River Snow Forecast Highlights

When will there be fresh snow in Sunday River?

Sunday River Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (600m)
Next Snow?
There is no snow currently in the forecast for Sunday River.

Long-range Snow Outlook for Sunday River

 
Snowfall

 
Snow Line

Max 23℃ 74°F
Min 6℃ 42°F

Snow unlikely

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Sunday River 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 Sunday River from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Sun
13
Clear

Clear sky.

Max 22℃ 72°F
Min 5℃ 41°F
Mon
14
Cloud

Cloudy.

Max 19℃ 67°F
Min 11℃ 53°F
Tue
15
Clear

Clear sky.

Max 17℃ 63°F
Min 8℃ 46°F
Wed
16
Clear

Clear sky.

Max 20℃ 69°F
Min 6℃ 42°F
Thu
17
Cloud

Cloudy.

Max 23℃ 74°F
Min 9℃ 48°F
Fri
18
Lt Rain

Light rain.

Max 17℃ 62°F
Min 12℃ 54°F
Sat
19
Cloud

Cloudy.

Max 19℃ 65°F
Min 12℃ 53°F

No significant snowfall is forecast for this period.

This Snow Forecast for Sunday River, 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 Sunday River, 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.

Sunday River Snow Forecast updated at 18:49 BST, next update expected imminently.

Ensemble forecast for Sunday River, USA at 240m

Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)

Snow Reliability

Sunday River boasts an average snowfall of 158 inches annually, with snow depths typically ranging from 30 to 70 inches during peak season. For the latest snow conditions, check J2Ski for up-to-date information.

Off-Piste Safety in Sunday River

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