---
license: cc-by-nc-4.0
pretty_name: Weather Model Forecast Archive 2026
tags:
- weather
- forecasting
- benchmark
---

# Weather Model Forecast Archive (2026)

Daily record, from 2026-01-01, of what each public global weather model forecast and what was observed, for 24 world cities. It is the data behind the [Global Weather Model Leaderboard](https://huggingface.co/spaces/FINAL-Bench/Weather-Model-Leaderboard). Updated every day.

`forecasts_vs_observed_2026.csv`

| Column | Meaning |
|---|---|
| `date` | UTC day being verified |
| `city` | one of 24 cities |
| `lead_days` | how many days earlier the forecast was issued (1, 3, 5, 7) |
| `observed_era5_tmax_c` | ERA5 daily maximum 2 m temperature, degrees Celsius |
| `ecmwf_ifs025` ... `metno_seamless` | each model's forecast of the same quantity |

Models: ECMWF IFS, ECMWF AIFS, NOAA GFS, NOAA AIGFS, DWD ICON, JMA GSM, ECCC GEM, MET Norway. Empty cells mean the model issued no forecast for that day and lead.

Weather data by [Open-Meteo.com](https://open-meteo.com/) (CC BY 4.0). Verification: ERA5, Copernicus Climate Change Service. Compiled by VIDRAFT and released under CC BY-NC 4.0. Non-commercial use only. For commercial licensing contact [vidraft@mail.vidraft.net](mailto:vidraft@mail.vidraft.net). Contact: [vidraft@mail.vidraft.net](mailto:vidraft@mail.vidraft.net)