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Sunday River 7-Day Snow Forecast - 18th September 2026

Sunday River Snow Forecast - 7 day

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Updated 18 September 2026 05:50 UTC

7-Day Snow Forecast for Sunday River

1-week from 18 September.

For Forecast detail, see below.

Sunday River 7-Day 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.

7-Day Snow Outlook for Sunday River

 
Snowfall

 
Snow Line

Max 20℃ 69°F
Min 5℃ 40°F

Snow unlikely

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Sunday River Medium-Range (7-Day) Snow Forecast Detail

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.

Max 20℃ 69°F
Min 9℃ 48°F

Valley temperatures from an overnight low of 9℃ 48°F to daytime highs around 20℃ 69°F

Temperature at BaseTemp at Base

Fri
18

Snow unlikely

CloudClearClearClear

Cloudy early, then clear sky later.

Forecast times for Sunday River are in New York (US/Eastern) time zone.

Max 17℃ 62°F
Min 5℃ 40°F

Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 17℃ 62°F

Temperature at BaseTemp at Base

Sat
19

Snow unlikely

CloudClearClearClear

Cloudy early, then clear sky later.

Forecast times for Sunday River are in New York (US/Eastern) time zone.

Max 16℃ 61°F
Min 5℃ 41°F

Valley temperatures from an overnight low of 5℃ 41°F to daytime highs around 16℃ 61°F

Temperature at BaseTemp at Base

Sun
20

Snow unlikely

ClearCloudCloudShwrs

Clear sky, cloudy, rain showers later.

Forecast times for Sunday River are in New York (US/Eastern) time zone.

Max 16℃ 60°F
Min 7℃ 44°F

Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 16℃ 60°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Forecast times for Sunday River are in New York (US/Eastern) time zone.

Max 13℃ 56°F
Min 5℃ 42°F

Valley temperatures from an overnight low of 5℃ 42°F to daytime highs around 13℃ 56°F

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Forecast times for Sunday River are in New York (US/Eastern) time zone.

Max 16℃ 60°F
Min 5℃ 40°F

Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 16℃ 60°F

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

CloudCloudCloudFair

Cloudy early, then fair later.

Forecast times for Sunday River are in New York (US/Eastern) time zone.

Max 16℃ 61°F
Min 5℃ 41°F

Valley temperatures from an overnight low of 5℃ 41°F to daytime highs around 16℃ 61°F

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

FairFairCloudCloud

Fair early, then cloudy later.

Forecast times for Sunday River are in New York (US/Eastern) time zone.

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 05:50 UTC, next update expected 11:00 UTC.

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.