Daily brief · Japan

Tokyo 2026-09-28

Verified against recorded weather

Weather-risk signals · signal engine (Open-Meteo)

A heavy rain day could hit

extreme

A single day could bring around 56.2mm of rain on 2026-09-29 — above the local heavy-rain reference for this time of year (around 21.2mm in a day). Construction, drainage, and outdoor events should review schedules.

outdoor events · drainage operators · agriculture

Water conditions are improving

strong

Around 293.9mm of rain has fallen over the past 14 days — above the 70mm typical for this period. A healthier water balance is restoring across this area.

hydro operators · agriculture · reservoir ops

Rainfall is trending above the usual

extreme

Around 84.3mm of rain may fall in the next 48 hours — above the 3.2mm typical for this period. Field access, drying, and outdoor logistics may be affected.

farmers · tourism · logistics

Recorded daily weather · Open-Meteo

Rain 17.7 mmMax 24.2 °CMin 20.4 °CGusts 23 km/h

Comparison unavailable
Daily measurements are retained. The historical reference has no compatible daily window and method contract. No above, near or below verdict is issued.

Daily observations retained. Comparison unavailable unless variable, unit, aggregation, calendar window, reference method and complete samples are compatible. This is not a forecast accuracy grade.

What people were seeing · community field reports

No field observations were posted for this place on 2026-09-28.