Diamond Peak Snow Forecast - 7 day
Updated 21 March 2026 04:40 AEDT
7-Day Snow Forecast for Diamond Peak
1-week from 20 March.
For Forecast detail, see below.
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Diamond Peak 7-Day Snow Forecast Highlights
When will there be fresh snow in Diamond Peak?
| Next Snow Expected | 24 March |
|---|---|
| Next Snow Amount | 2cm |
| Next 48 Hours | - |
| Next 7 Days | 2cm |
7-Day Snow Outlook for Diamond Peak
Snowfall
Snow Line
Max 13℃
Min -8℃
4cm New Snow
Snow Line from 2,369m to resort level (2,050m).
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
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Diamond Peak 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 13℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 13℃
Temperature at BaseTemp at Base
Fri
20
Snow unlikely
Clear sky, clear spells, cloudy later.
Forecast times for Diamond Peak are in Denver (US/Mountain) time zone.
Max 4℃
Min -3℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ and rising to 4℃
Temperature at BaseTemp at Base
Sat
21
Snow unlikely
Cloudy, fog, cloudy later.
Forecast times for Diamond Peak are in Denver (US/Mountain) time zone.
Max 11℃
Min -4℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ and rising to 11℃
Temperature at BaseTemp at Base
Sun
22
Snow unlikely
Clear sky, cloudy, clear sky later.
Forecast times for Diamond Peak are in Denver (US/Mountain) time zone.
Max 12℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 12℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Mon
23
Snow unlikely
Cloudy.
Forecast times for Diamond Peak are in Denver (US/Mountain) time zone.
Max 3℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 3℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
24
up to 4cm New Snow
Cloudy early, then light snow at altitude later.
Snow Line from 2,369m to 2,069m, with rain below.
Forecast times for Diamond Peak are in Denver (US/Mountain) time zone.
Max 0℃
Min -8℃
Below freezing at all levels, with valley temperatures as low as -8℃ and not getting above 0℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
25
Snow unlikely
Light drizzle first, light snow then fog, cloudy later.
Forecast times for Diamond Peak are in Denver (US/Mountain) time zone.
Max 7℃
Min -8℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -8℃ and rising to 7℃
Temperature at BaseTemp at Base
Thu
26
Snow unlikely
Fog early, then cloudy later.
Forecast times for Diamond Peak are in Denver (US/Mountain) time zone.
This Snow Forecast for Diamond Peak, 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 Diamond Peak, 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.
Diamond Peak Snow Forecast updated at 04:40 AEDT, next update expected imminently.
Snow Forecast near Diamond Peak
| Ski Area | 48 Hr | 7 Day | Fr | Sa | Su | Mo | Tu | We | Th |
|---|---|---|---|---|---|---|---|---|---|
| Willamette Pass | - | 2cm |
Snow Reliability
Diamond Peak enjoys reliable snowfall, with an average snow depth of around 300 inches each season. For the latest snow conditions, please refer to J2Ski for up-to-date information.