Science.gov
NASA Global Change Master Directory. World's largest archive of climate data.
national and international data including precipitation, wind, temperature
Free access to NCDC's archive of historical weather and climate data in addition to station history information.
Data includes Climates of the States; Frost/Freeze Data; Daily, Monthly Station Normals; Snow Normals
all things weather (national & international) including downloads, star charts, ski conditions
AI for the Weather?
AI is now being used to more accurately determine weather patterns at a rate better than traditional forecasters.
Programs such as Deepmind's GraphCast AI can produce an accurate 10-day weather forecast in under a minute.
The Google-owned company's AI model is the first that can outperform conventional forecasters.
A selection of GraphCast’s predictions rolling across 10 days showing specific humidity at 700 hectopascals (about 3 km above surface), surface temperature, and surface wind speed.
Climate is a scientific, peer-reviewed, open-access journal of climate science published online monthly by MDPI.