Welcome Konstantin! Lucky for you, a lot of people have asked similar questions on this forum! You can actually search the records and you will have far more information than you would ever need :)
Spring, Summer and Fall are the best for the Potomac in DC, but you can certainly find active fish this time of year. It will be cold and slow, but doable. I tend to turn to musky, pickerel, and trout this time of year, but there is a 1-2 hour drive for most of these (not center of the city haha).
On Tuesday, January 21, 2020 at 3:44:47 PM UTC-5, Konstantin Salavatov wrote: