National Centers for Environmental Information
NCEI is currently moving its data and applications to the cloud. This upgrade may result in temporary data access delays. Please see our cloud migration overview and frequently asked questions for more information and resources. Check the NCEI Alerts page for impacted products and datasets. Current Impact: Intermittent degraded order fulfillment services.
Search for recent weather data in your area. Weather forecasts are available through the National Weather Service.
October 9, 2026
The global surface temperature in September 2026 was 2.39°F (1.33°C) above the 20th-century average—the second-warmest September in the 1850–2026 record, trailing behind the 2023 record by 0.13°F (0.07°C).
October 8, 2026
The average temperature for the CONUS in September was 69.4°F, 4.6°F above the 20th-century average. It was the warmest September in the 132-year record, surpassing the previous record set in 1998 (68.95°F).
September 3, 2026
NCEI system upgrade is in progress to provide more modern, easier data access than ever before.
July 16, 2026
El Niño and La Niña can bring significant disruption and shifts to global weather patterns; NCEI data help monitor and detect these patterns.
NCEI maintains one of the most significant archives on Earth, with comprehensive oceanic, atmospheric, and geophysical data. We archive over 229 terabytes of data each month from over 130 observing platforms.
How to ArchiveNCEI provides access to an extensive archive of environmental data through several platforms. We deliver the climate, coastal, oceanographic, and geophysical data you need in a variety of formats.
How to Access