RESTful JSON-LD API providing weather forecasts, alerts, observations, and radar data for the United States.
National Oceanic and Atmospheric Administration (NOAA)
Aviation weather data API providing METARs, TAFs, PIREPs, SIGMETs, G-AIRMETs, and station information.
API providing water levels, tide predictions, currents, and meteorological data from US coastal monitoring stations.
RESTful API providing access to historical weather and climate data from the NCEI Climate Data Online database.