Some experts define a low-grade fever as a temperature that falls between 99.5°F (37.5°C) and 100.3°F (38.3°C). According to the U.S. Centers for Disease Control and Prevention (CDC), a person with temperature at or above 100.4°F (38°C) is considered to have a fever.

Is 99.3 a low-grade fever?

The medical community generally defines a fever as a body temperature above 100.4 degrees Fahrenheit. A body temp between 100.4 and 102.2 degree is usually considered a low-grade fever.

Is 99.3 a temp for adults?

A normal adult body temperature, when taken orally, can range from 97.6–99.6°F, though different sources may give slightly different figures. In adults, the following temperatures suggest that someone has a fever: at least 100.4°F (38°C) is a fever. above 103.1°F (39.5°C) is a high fever.