A:Answer No, the temperature is preset and cannot be adjusted. For hotter coffee, try preheating your mug, using the warming plate, or running a descaling cycle. If the issue persists, we invite you to contact our Ninja Kitchen Customer Service team at 1-800-365-0135. Our hours of operation are Monday to Friday, 9:00 a.m. to 9:00 p.m. ET, and Saturday, 9:00 a.m. to 6:00 p.m. ET.