Daily brief · Japan

Record from Aug 9, 2026. Back to current conditions

Tokyo Aug 9, 2026

Review recorded on Aug 18, 2026, 6:41 PM UTC.

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

A heavy rain day could hit

extreme

A single day could bring around 98.9mm of rain on 2026-08-11 — above the local heavy-rain reference for this time of year (around 25.8mm in a day). Construction, drainage, and outdoor events should review schedules.

Reading evidence

Valid until Aug 14, 2026, 6:01 PM UTC.

Source: Open-Meteo.

Samples: 150.

outdoor events · drainage operators · agriculture

Water conditions are improving

active

Around 74.2mm of rain has fallen over the past 14 days — above the 9.5mm typical for this period. A healthier water balance is restoring across this area.

Reading evidence

Valid until Aug 14, 2026, 6:01 PM UTC.

Source: Open-Meteo.

Samples: 137.

hydro operators · agriculture · reservoir ops

Recorded daily weather · Open-Meteo

Rain 0.1 mmMax 31.6 °CMin 22.6 °CGusts 29.2 km/h

Comparison unavailable for this edition.

What people were seeing · community field reports

No field observations were posted for this place on Aug 9, 2026.