See the temperature move before the METAR does.
Airport sensors report every minute. The official METAR only every half hour. polyweather.today tracks that minute-level signal and turns the trend into a next-METAR nowcast — across China, Asia, Europe, the Middle East and the US.
How to read the chart
Markets
Minute-level airport runway temperature & next-METAR nowcast
polyweather.today tracks minute-by-minute temperatures from major airports — the same sensors behind the official METAR — and turns the short-term trend into a nowcast of the next METAR's rounded temperature, so you can read where the air is heading before the METAR prints.
What each city page shows
- Runway-minute temperatures — per-runway-end readings updated every minute.
- Next-METAR nowcast — a backtest-calibrated rounded estimate with a probability distribution (Pro).
- Decision light — a live read on whether the signal is reliable (Pro).
- Today's high — the running daily-high reading, with its peak timestamp.
- Today vs yesterday + conditions — daily-high comparison, observed wind/sky/visibility and a cloud-cap risk (free).
- Model forecast — today's expected high from an ECMWF/GFS/ICON consensus, with the peak hour (Pro).
Beijing is free to view without an account; the other cities need a free login for live data, with real-time decision signals on Pro — see Free vs Pro →
How each market settles — station, source & precision →
View-only data — not betting or financial advice.