Winter 2024 Predictions Oregon Forecast. Winter will be colder than normal in the north and warmer in the south, with the coldest periods in early and late january and early march. The next day 1 outlook is scheduled by 1300z.

The combination of cold temps and lots of precipitation in certain areas means that, if everything goes according to plan, washington, oregon, idaho and western montana. Weather scientists say oregon could be in store for a cooler, wetter winter this year.