The weather presenter was comparing the bank holiday sunshine, or lack thereof, in her post.
“Live outside broadcasts on last years August bank holiday – our hottest on record,” she told fans.
“This year I’m thinking of putting the heating on,” the TV star joked.
In the behind-the-scenes photograph, Lucy could be seen talking to camera in a stylish sleeveless top with denim mini skirt and heels.
“It is certainly is miserable at the moment!” one follower wrote in the comments section, to which Lucy replied: “Red wine season!”