Tyres lose about 1 psi for every 10 °F drop in temperature. The first cold morning often pushes them under the warning threshold.

August 28, 2026 · Tyres
Why the tyre light comes on the first cold morning of the year, and what to do about it.

Tyres lose about 1 psi for every 10 °F drop in temperature. The first cold morning often pushes them under the warning threshold.