Free online almanacs covering information from categories such as weather, celebrities and government can be found on Fact Monster and Almanac.com. Info Please also has a free online almanac with extensive information on geography, science, politics and various other subjects.
The Old Farmer's Almanac is available for free on Almanac.com and claims to be North America's oldest continuously published periodical. The almanac publishes weather forecasts, moon phase information, garden growing guides and many other types of information. Fact Monster offers a number of useful resources for free on its website, including an almanac, a thesaurus, an encyclopedia, and an atlas. The almanac found on Fact Monster is categorized into sections such as people and science.