Willamette Pass 48-Hour Snow Forecast
Updated 31 August 2026 05:43 PDT
2-Day Forecast for Willamette Pass
48-hours from 31 August.
See below for forecast detail
Willamette Pass Snow Forecast updated at 05:43 PDT, next update expected 11:00 PDT.
Forecast for today in Willamette Pass
Max 75°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Mon
31
Snow unlikely
Clear sky.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Willamette Pass
Max 63°F
Min 44°F
Valley temperatures from an overnight low of 44°F to daytime highs around 63°F
Temperature at BaseTemp at Base
Tue
01
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Mon | 00:00 | | Clear sky. | 51°F | SW Light | 0% | |
| Mon | 01:00 | | Clear sky. | 49°F | SW Light | 0% | |
| Mon | 02:00 | | Clear sky. | 48°F | SW Light | 0% | |
| Mon | 03:00 | | Clear sky. | 48°F | SW Light | 0% | |
| Mon | 04:00 | | Clear sky. | 46°F | SW Breeze | 0% | |
| Mon | 05:00 | | Clear sky. | 47°F | SW Light | 0% | |
| Mon | 06:00 | | Clear sky. | 48°F | SW Light | 0% | |
| Mon | 07:00 | | Clear sky. | 47°F | SW Breeze | 0% | |
| Mon | 08:00 | | Clear sky. | 47°F | SW Breeze | 0% | |
| Mon | 09:00 | | Clear sky. | 52°F | SW Light | 0% | |
| Mon | 10:00 | | Clear sky. | 60°F | SW Breeze | 0% | |
| Mon | 11:00 | | Clear sky. | 64°F | SW Breeze | 0% | |
| Mon | 12:00 | | Clear sky. | 69°F | SW Breeze | 0% | |
| Mon | 13:00 | | Clear sky. | 73°F | SW Light | 0% | |
| Mon | 14:00 | | Clear sky. | 75°F | SW Light | 0% | |
| Mon | 15:00 | | Clear sky. | 74°F | SW Breeze | 0% | |
| Mon | 16:00 | | Fair at altitude. Clear below. | 74°F | SW Breeze | 0% | |
| Mon | 17:00 | | Cloudy. | 73°F | SW Breeze | 0% | |
| Mon | 18:00 | | Cloudy. | 70°F | SW Breeze | 0% | |
| Mon | 19:00 | | Cloudy. | 67°F | SW Breeze | 0% | |
| Mon | 20:00 | | Clear sky. | 63°F | SW Breeze | 5% | |
| Mon | 21:00 | | Clear sky. | 58°F | SW Light | 0% | |
| Mon | 22:00 | | Cloudy. | 55°F | SW Light | 5% | |
| Mon | 23:00 | | Cloudy. | 52°F | SW Light | 5% | |
| Tue | 00:00 | | Cloudy. | 51°F | SW Light | 5% | |
| Tue | 01:00 | | Cloudy. | 49°F | SW Light | 5% | |
| Tue | 02:00 | | Cloudy. | 48°F | SW Light | 0% | |
| Tue | 03:00 | | Cloudy. | 47°F | SW Light | 0% | |
| Tue | 04:00 | | Cloudy. | 48°F | SW Light | 0% | |
| Tue | 05:00 | | Cloudy. | 48°F | SW Light | 0% | |
| Tue | 06:00 | | Cloudy. | 48°F | SW Light | 0% | |
| Tue | 07:00 | | Cloudy. | 46°F | SW Calm | 0% | |
| Tue | 08:00 |  | Clear spells. | 44°F | SW Light | 0% | |
| Tue | 09:00 | | Clear sky. | 49°F | SW Light | 0% | |
| Tue | 10:00 | | Clear sky. | 55°F | SW Light | 0% | |
| Tue | 11:00 | | Clear sky at altitude. Fair below. | 60°F | SW Light | 0% | |
| Tue | 12:00 | | Clear sky at altitude. Fair below. | 63°F | SW Light | 0% | |
| Tue | 13:00 | | Clear spells at altitude. Cloud below. | 62°F | SW Breeze | 5% | |
| Tue | 14:00 | | Cloudy. | 63°F | SW Breeze | 5% | |
| Tue | 15:00 | | Cloudy. | 63°F | SW Breeze | 5% | |
| Tue | 16:00 | | Cloudy. | 62°F | SW Breeze | 10% | |
| Tue | 17:00 | | Cloudy. | 61°F | SW Breeze | 5% | |
| Tue | 18:00 | | Cloudy. | 59°F | SW Breeze | 20% | |
| Tue | 19:00 | | Cloudy. | 57°F | SW Breeze | 60% | |
| Tue | 20:00 | | Cloudy. | 54°F | SW Breeze | 60% | |
| Tue | 21:00 | | Cloudy. | 50°F | SW Breeze | 60% | |
| Tue | 22:00 | | Cloudy. | 46°F | SW Breeze | 60% | |
| Tue | 23:00 |  | Fog. | 44°F | SW Light | 60% | |
Snow Forecast near Willamette Pass
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Mo | Tu | We | Th | Fr | Sa | Su |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | - | - |
Willamette Pass Snow
For current snow depths and skiing conditions, see our Current Snow Report for Willamette Pass.
No significant snowfall is forecast for this period.
This Snow Forecast for Willamette Pass, 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 Willamette Pass, 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.
Snow Reliability
Willamette Pass typically enjoys reliable snowfall, with an average snow depth of 5 to 10 feet throughout the season. For the most current snow conditions, including snowfall updates, check J2Ski for the latest information.