Will It Ever Snow In 2024. The last white christmas in portland was in 2021, when 1.8 inches of snow fell on christmas day.the nws forecast office in gray has a breakdown of how much snow has. Although it’s taking its sweet old time to get going, a weak la niña, the cool phase of the el niño/southern oscillation (enso), is expected to develop this winter.

Winter 2024/2025 final snowfall predictions: This marks a new milestone in global temperature records, says.