Winter 2024 Predictions Oregon Forecast. The average snowfall in portland across all winters since 1970 is 4.5 inches. Jan 2, 2024 / 12:40 pm pst.
Weather scientists say oregon could be in store for a cooler, wetter winter this year. The old farmer’s almanac has released its annual predictions for what mother nature has in store for the pacific northwest and the rest of the u.s.