Columbia River - Saint Helens Weather Forecast
- 55
- 80
Increasing Clouds
- 55
- 76
Partly Sunny
- 56
- 74
Mostly Cloudy
- 57
- 76
Partly Sunny
- 59
- 82
Mostly Sunny
- 59
- 85
Mostly Sunny
Today 18 Jul Lower Columbia River
Mostly sunny. Highs in the lower 80s. Northwest wind 5 to 10 Mph.
Tonight 18 Jul Lower Columbia River
Partly cloudy. Lows in the mid 50s. Northwest wind 5 to 10 Mph.
Columbia River - Saint Helens Temperature Statistics
July Temperature
Scappoose Industrial Airpark (6.8 miles)
Lowest 5 July, 2025
49.6 °FAverage July
71.3 °FHighest 13 July, 2025
95 °F
Climate (2020–Present)
Scappoose Industrial Airpark (6.8 miles)
Average Low 2020–2025
43.9 °FAverage 2020–2025
53.3 °FAverage High 2020–2025
63.3 °F