This weekend — Friday evening, July 22 to Monday morning, July 25 — there are no planned service changes directly and negatively affecting service at any local stations. From Saturday morning, July 23 to Monday morning there will be extra Manhattan bound service at Court Street and at the N/R platforms at Jay Street-MetroTech, as Manhattan bound N trains will be diverted to the R line.
The following work week — Monday morning, July 25 to Friday evening, July 29 — late nights there will be no 3 train service in either direction at Clark Street or Borough Hall, but 2 trains should be running normally. For those traveling to or from Brooklyn, 2 and 4 trains will be making 3 train stops. Also during late night hours there will be no Brooklyn bound service at High Street, as A and C trains will be diverted to the F line between West 4th Street-Washington Square in Manhattan and Jay Street-MetroTech.
These are the planned service changes directly affecting service at local stations. Always check MTA Info for unplanned service changes that may affect local service or service on other parts of your trip, or for planned service changes that affect stations to or from which you may be traveling.