No. That's very poor thermal behavior. I run an i7 quad that tops out at about 65 under load.
First, remove the left side panel of your PC while it's running. Is the CPU fan functioning? Next, inspect the ventilation ports in your case and clean if necessary.
Unplug the power and other cables from the PC. Inspect the CPU heatsink fins to see if they're gunked up. If so, use canned air to clear them. Don't tilt the can, and DO NOT allow the fan to spin while blowing it off. Hold it in place with a finger. Canned air can kill fans.
If these regular maintenance actions don't resolve the issue, you will want to get the supplies necessary to reseat your heatsink.
- Thermal paste (I use OC extreme)
- Rubbing alcohol
- Lint free cloth
- Paper Towel
If you're unfamiliar with thermal paste application, go watch some youtube videos now.
Research how to remove your particular heatsink, do so, then clean all the old thermal paste from it and the CPU's heatspreader using a paper towel. Once the majority of thermal paste is removed, clean the heatsink contact area and CPU heatspreader with the alcohol. Don't splosh it everywhere. Once the alcohol is dry, apply a pea sized drop of new thermal compound to the center of the CPU heat spreader and then reattach the heatsink. See if that helps.
DISCLAIMER: You can break things by doing the steps previously mentioned. Unplug the power and other cables. Beware ESD.