Temperature for 10 days Portland International Raceway Dragstrip and Road Course, F° Atmospheric pressure for 10 days in Portland International Raceway Dragstrip and Road Course, hPa Precipitation for 10 days in Portland International Raceway Dragstrip and Road Course, inch Wind for 10 days in Portland International Raceway Dragstrip and Road Course, mph 24-hour meteogram Portland International Raceway Dragstrip and Road Course