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Sunday River Weather Forecast - 7 to 16 days - 20th September 2026

Sunday River Weather

ECMWF IFS
GEM
GFS

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Weather Forecast for Sunday River (787ft to 3,150ft)

Weather Outlook from 20 September.

Sunday River Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Sunday River Weather Forecast updated at 03:02 PDT, next update expected imminently.

Long-range Snow Outlook for Sunday River

 
Snowfall

 
Snow Line

Max 64°F
Min 38°F

Snow unlikely

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Sunday River Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Sunday River from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Sun
20
Lt Rain

Snow showers at altitude, light rain showers below.

Max 55°F
Min 38°F
Mon
21
Cloud

Clear sky at altitude, cloudy below.

Max 61°F
Min 47°F
Tue
22
Cloud

Cloudy.

Max 59°F
Min 42°F
Wed
23
Clear

Clear sky.

Max 60°F
Min 42°F
Thu
24
Cloud

Cloudy.

Max 64°F
Min 43°F
Fri
25
Shwrs

Rain showers.

Max 57°F
Min 50°F
Sat
26
Cloud

Cloudy.

Max 63°F
Min 44°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 trail 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 Weather Forecast updated at 03:02 PDT, next update expected imminently.

Current Snow

For current snow depths and skiing conditions, see our Current Snow Report for Sunday River.

For more information about this American Ski Resort, See Also Skiing and Snowboarding in Sunday River .

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.