Multnomah Channel - Cathlacom Point UV IndexUnited StatesORColumbia CountyMultnomah Channel - Cathlacom Point1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAMultnomah Channel - Cathlacom Point UV forecast issued yesterday at 12:17 pm. Next forecast at approx. 12:17 pm. UV IndexGet WillyWeather+ to remove ads