Engine cooling system - working too well?

Shane_Anigans

Bought an X
Location
MI
Noticed this on Friday morning, when the outside temp was close to zero Fahrenheit and it was seriously windy: at highway(ish) speeds, the engine didn't reach operating temperature (gauge was just above cold) which consequently meant the heat wasn't working as well as you'd want it to. When stationary/idling, it took a bit but eventually reached normal temperature. Up to that point I've had no heating issues, and while I realize the weather was on the extreme end of bad, I'm wondering if the thermostat might be stuck open slightly? There are no DTCs or the warning light, so I know it hasn't failed completely. Wondering if anyone who lives where it's really cold all winter has noticed anything similar, and what the solution might be.
 
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