Weather History Data ProjectExplore and analyze historical weather data for world cities with populations over 25,000. Access temperature records and climate trends through temperature charts and downloadable CSV data exports.Historical Weather Data ExplorerSearch weather history for any city worldwide. Our database covers cities with populations over 25,000, providing hourly temperature data sourced from the ERA5-Land dataset by the Copernicus Climate Change Service. View temperature trends over custom date ranges or analyze single-day weather patterns.Temperature Data and Climate AnalysisAccess detailed 2-meter air temperature records from 1950 to present. Generate temperature charts showing daily temperature ranges, monthly averages, and long-term climate trends for any supported city.CSV Data ExportDownload historical weather data in CSV format for offline analysis. Use exported temperature datasets in your own research, data science projects, or academic work.API Services and Pricing PlansAccess meteorological data programmatically through our REST API. Choose from Basic API service with 1,000 daily requests or Unlimited API service for unrestricted data access.Data Analysis ServicesProfessional weather data analysis and data preparation services available in 25-hour, 50-hour, and 100-hour packages. Free one-hour consultation available for new clients.Aurora Borealis DetectionReal-time aurora borealis monitoring using machine learning classification of sky camera imagery across Slovakia. Receive automated email alerts when northern lights activity is detected.

Explore

Weather Data Explorer - Search historical weather by city
API Services and Pricing Plans - Data API and analysis packages
Contact Us - Get in touch for inquiries or consultations

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Welcome to Weather History Project

Explore and Analyze Historical Weather Data of World Cities with Populations over 25,000

Try it For free View Pricing Plans

Northern lights over SlovakiaLive aurora status, updated every few minutes

Seen from Slovakia (about 48–49° N). Further north, aurora is visible more often.

Historical Weather Data at Your Fingertips

Access decades of climate records powered by the ERA5-Land dataset from the Copernicus Climate Change Service, covering hourly temperature data from 1950 to present.

Search Any City

Find historical weather data for any city worldwide with a population over 25,000. Select custom date ranges or analyze individual days.

Climate Charts

Visualize temperature trends with charts showing daily ranges, monthly averages, and long-term climate patterns for your selected city.

Download CSV Data

Export historical temperature data in CSV format for your own research, data science projects, or academic analysis.

Trusted Climate Data Sources

ERA5-Land Reanalysis Dataset

Our weather history records are sourced from the ERA5-Land hourly dataset, produced by the European Centre for Medium-Range Weather Forecasts (ECMWF) through the Copernicus Climate Change Service.

This dataset provides 2-meter air temperature data with global coverage at high resolution, making it one of the most comprehensive climate reanalysis products available.

What You Can Analyze

Hourly temperature records from 1950 to present
Daily minimum and maximum temperatures
Monthly and seasonal temperature averages
Year-over-year climate trend comparisons
Statistical weather overviews for any supported city

API and Data Analysis Services

Need programmatic access to weather data or professional data analysis? We offer API subscriptions and consulting packages.

Weather Data API

REST API access to historical meteorological data. Integrate weather history into your applications with up to unlimited daily requests.

Data Analysis Packages

Professional climate data analysis and preparation services, available in flexible hour-based packages from 25 to 100 hours.

Free Consultation

Not sure what you need? Schedule a free one-hour consultation to discuss your weather data requirements and how we can help.

View Pricing Plans