Jefferson recorded weather readings in a number of places both in North America and Europe. Additionally, in 1787, Jefferson toured through France and Italy. Discover weather readings associated with theses places and explore the interactive map of the journey.

Thomas Cole. Clouds, c.1838. The Metropolitan Museum of Art Morris K. Jesup Fund, 2013


Notations of the state of the weather were an important category of information in Jefferson’s records. His weather notes can also provide information about storms or other meteorological events for which there is evidence in other sources as well.

Natural & Seasonal Cycles

When Jefferson in March 1784 encouraged his friend Madison to “keep a diary” of weather observations, his specification of the “heads or columns” under which Madison should record data included...

Interactive Visualizations

Explore some of the interactive visualizations created from Jefferson's observations.