Topics include gardening, sports, astronomy, folklore, and predictions on trends in fashion, food, home, technology, and living for the coming year.

After Thomas's death, John Henry Jenks was appointed editor and, in 1848, the book's name was permanently and officially revised to The Old Farmer's Almanac.

In 1851, Jenks made another change to the Almanac when he featured a "four seasons" drawing on the cover by Boston artist Hammatt Billings, engraved by Henry Nichols.

In 1858, Abraham Lincoln may have used a copy of The Old Farmer's Almanac to argue the innocence of his client, William "Duff" Armstrong, who was on trial for murder in Beardstown, Illinois.

[10] Lincoln used an almanac to refute the testimony of Charles Allen, an eyewitness who claimed he had seen the crime by the light of the moon[11] on August 29, 1857.

The next two editors, John Boies Tileston and Loomis Joseph Campbell, served short terms and made no format changes.

[13] The eighth and ninth editors, Frank B. Newton and Col. Carroll J. Swan, kept The Old Farmer's Almanac tradition alive through wartime and the Depression.

[3] His term coincided with the only time in the history of The Old Farmer's Almanac that its distribution declined and the book's financial stability fell into question.

[15] Feeling that tradition was The Old Farmer's Almanac's strongest suit, Sagendorph immediately reestablished its format and editorial style to reflect the interests of the general populace much as it had a century earlier.

[14] During World War II, a German spy was apprehended in New York with a copy of the 1942 Old Farmer's Almanac in his pocket.

[3] From 1943 through 1945, to comply with the U.S. Office of Censorship's voluntary Code of Wartime Practices for press and radio, The Old Farmer's Almanac featured weather indications rather than forecasts.

In 2000, the editorial reins were passed to Janice Stillman, the first woman in the Almanac's history to hold the position, and she was succeeded, in 2023, by Carol Connare.

[27] This edition is fitted for Ottawa, with calculations to answer for all the Canadian provinces,[28] and features provincial weather forecasts as well as stories that speak specifically to the history, traditions, and culture of the country.

[29] While The Old Farmer's Almanac has always looked to Thomas's original formula to help with predictions, its forecasting methods have been refined over the years.

[36][37] In its bicentennial edition, the Almanac stated "neither we nor anyone else has as yet gained sufficient insight into the mysteries of the universe to predict weather with anything resembling total accuracy.

Some store locations include Mohegan Sun Casino in Uncasville, Connecticut; the Louisiana Boardwalk shopping center in Bossier City, Louisiana; and the Tropicana Casino and Resort in Atlantic City, New Jersey, [40] Sparks, Nevada at the Legends at Sparks Marina shopping center, and The Outlets at Wind Creek Bethlehem in Bethlehem, Pennsylvania.

[41] This online presence features the same kind of information found in the print edition, including weather forecasts, astronomy, folklore, recipes, gardening advice, history, and trivia.

[43] New cameras were installed and launched on May 8, 2015,[44] giving a much clearer picture of the historical buildings in downtown Dublin, New Hampshire, and The John Pierce Memorial Garden.

[46] This site is dedicated to content for younger readers, their parents, and teachers, featuring interactive activities and exclusive articles that further explore topics found in the book.