The Federal Communications Commission will move forward with a March 14 spectrum auction despite last-minute calls from top House lawmakers to postpone bidding over concerns about radio interference with weather forecast operations.

“While our nation’s international competitors would undoubtedly be pleased if we delayed this auction of greenfield spectrum at the last minute, the FCC will move forward as planned so that our nation can win the race to 5G and the American people can quickly enjoy the benefits of...