NOAA Climate Data Online
FreeLiveLast verified 24 Sept 2026
Historical station observations and daily-to-yearly climate summaries from NOAA's archive, by station or area.
Example request
curl -s 'https://www.ncei.noaa.gov/cdo-web/api/v2/datasets' -H "token: $API_KEY"
Free tier, in plain English
Free with a token emailed on request. Each token is capped at five requests a second and 10,000 a day.
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