Free weather tools

Free, no-signup tools built on the NOAA 1991–2020 U.S. Climate Normals. They run entirely in your browser and store nothing. Today the lineup is a packing & comfort index that classifies any US city's typical weather for a chosen month.

Source: NOAA NCEI U.S. Climate Normals 1991–2020. Data as of June 2026.

Packing & comfort index

Pick a city and month to see if it's typically cold, mild or hot — and what to pack.