Car taking off real slow?

I have a 2002 Honda Accord, so Tues when i went to work everytime i make a complete stop at a light or stop sign my car would take off real slow real hesitate to accelerate but once it kick into gear it drove just fine. So after i got off it was driving back jist fine no slow take offs or nothing btw it's been raining cats and dogs all week i don't know if that would help or not with my question. What do you think the problem is i thought maybe the transmission oil was low but i checked it and it was fine.

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