Washing Machine Temp Home › Forums › Archives › Old Bulletin Board Archives › Washing Machine Temp This topic has 0 replies, 1 voice, and was last updated 22 years, 2 months ago by Charles Kuntz. Viewing 0 reply threads Author Posts 14 Dec 1998 at 3:16 am #281236 Charles Kuntz Hi, Having trouble with my washer. How hot should the HOT What temp should the hot water be for my washing machine. Is 140 f too hot? Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.