Originally Posted by Kjmack
Please excuse me if this is the dumbest question ever asked here . Does extremely cold or hot weather affect accuracy of a mechanical torque wrench ?
Yes, temperature changes will change the tension and length of a spring in a click type wrench. Unless the operation you are doing is extremely critical, I wouldn't worry about it. When I was in the Air Force, aircraft mechanics used their clicker wrenches in winter conditions without problems.