Question: do forehead thermometers read high?
Answer: The average normal oral temperature is 98.6°F (37°C). A rectal temperature is 0.5°F (0.3°C) to 1°F (0.6°C) higher than an oral temperature. ... A forehead (temporal) scanner is usually 0.5°F (0.3°C) to 1°F (0.6°C) lower than an oral temperature.