Columbia River - Saint Helens Weather Forecast
- 52
- 75
Mostly Cloudy
- 49
- 70
Mostly Cloudy
- 52
- 77
Mostly Sunny
- 55
- 81
Slight Chance Rain
- 51
- 76
Partly Sunny
- 49
- 73
Chance Rain
Today 9 May Lower Columbia River
Mostly sunny. Highs in the upper 70s. Winds light.
Tonight 9 May Lower Columbia River
Mostly cloudy. Lows in the lower 50s. Winds light.
Columbia River - Saint Helens Temperature Statistics
May Temperature
Scappoose Industrial Airpark (6.8 miles)
Lowest 1 May, 2026
45.6 °FAverage May
61.8 °FHighest 3 May, 2026
89.7 °F
Climate (2021–Present)
Scappoose Industrial Airpark (6.8 miles)
Average Low 2021–2026
44.1 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
63.6 °F