If the deer are not living on your land around the food plot there is not much you can do. Hunting over food plots on the morning has never worked for me. Evening hunts are the best if you have multiple stands/plots to hunt to not pressure deer with your exit from the blind. The more you bump them the later they will enter in nice weather. These warmer temps we have had are making the deer move later also. Add in the rainfall and excellent weed growth and they do not need to move much.
Good advice here. There were 15 in our plot Saturday morning before sunup and 10 Sunday morning. If I'd tried to get to the stand they'd have vacated post-haste.
I would also advise watching it for activity in the middle of the day, say 10-2. If they can bed close, sometimes they'll come back for a midday snack.