Tokyo (RJTT) is currently 22°C. Today's high so far is 24°C (reached 01:00 local). Yesterday's high was 27°C (today is cooler by 3°).
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Live Tokyo (RJTT) runway temperature & next-METAR nowcast
Tokyo Haneda's daily high forms in the early afternoon; we track JMA's AMeDAS air temperature at the airport (10-minute), ahead of the half-hourly METAR. polyweather.today tracks minute-by-minute runway temperatures from Tokyo Haneda Airport (RJTT) (RJTT) — the same sensors behind the official METAR — and turns the trend into a next-METAR nowcast, so you can read where Tokyo's temperature is heading before the next METAR prints.
What this page shows
Runway-minute temperatures — per-runway-end readings updated every minute.
Next-METAR nowcast — a backtested estimate of the next METAR's rounded temperature (Pro).
Decision light — a live read on whether the signal is reliable (Pro).
Today's high — the running daily-high METAR reading, with its peak timestamp.
Beijing is free to view without an account; Tokyo and the other cities need a free login for live data, with real-time decision signals on Pro — see Free vs Pro →
Want to know exactly how Tokyo's temperature market settles (which station, what precision, what rounding)? See how each city settles →