Daily brief · Brazil
Record from Aug 21, 2026. Back to current conditions

Rio de Janeiro Aug 21, 2026

Review recorded on Aug 31, 2026, 6:40 AM UTC.

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

A heavy rain day could hit

medium

A single day could bring around 10.4mm of rain on 2026-08-25 — close to the local heavy-rain reference for this time of year (around 11.4mm in a day). Construction, drainage, and outdoor events should review schedules.

Reading evidence

Valid until Aug 26, 2026, 6:02 PM UTC.

Source: Open-Meteo.

Samples: 150.

outdoor events · drainage operators · agriculture

A dry stretch is forming

high

7 dry days in a row could start 2026-08-27. A dry day here means 1mm of rain or less; the important number is the length of the run. Crops in flowering or fruit-set windows are most exposed.

Reading evidence

Valid until Aug 26, 2026, 6:02 PM UTC.

Source: Open-Meteo.

agriculture

Water conditions are improving

active

Around 31.2mm of rain has fallen over the past 14 days — above the 1mm typical for this period. A healthier water balance is restoring across this area.

Reading evidence

Valid until Aug 26, 2026, 6:02 PM UTC.

Source: Open-Meteo.

Samples: 137.

hydro operators · agriculture · reservoir ops

Recorded daily weather · Open-Meteo

Rain 0.7 mmMax 33.5 °CMin 20.5 °CGusts 71.6 km/h

Comparison unavailable for this edition.

What people were seeing · community field reports

No field observations were posted for this place on Aug 21, 2026.