Daily brief · Brazil
Record from Oct 23, 2026. Back to current conditions

São Luís Oct 23, 2026

Review recorded on Oct 24, 2026, 6:41 AM UTC.

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

A heavy rain day could hit

extreme

A single day could bring around 6.1mm of rain on 2026-10-23 — above the local heavy-rain reference for this time of year (around 1.8mm in a day). This comparison adds historical context; it does not assess impacts on a specific activity.

Reading evidence

Reading calculated Oct 23, 2026, 6:03 PM UTC.

Valid until Oct 28, 2026, 12:01 AM UTC.

Source: Open-Meteo.

Forecast period: 2026-10-23 to 2026-10-29.

Forecast source: open-meteo.

Years with usable data: 10 of 10.

Historical dataset: era5.

Samples: 150.

Method: heavy-rain-percentile-max-v1-2026-09-22.

outdoor events · drainage operators · agriculture · soy farmers · sugarcane growers · cotton growers

Heat is building above the usual range

high

Daily highs may average around 32.6°C over the next week — above the 31°C typical for this time of year. Outdoor work, livestock, and crops in flowering can come under stress.

Reading evidence

Reading calculated Oct 23, 2026, 6:03 PM UTC.

Valid until Oct 30, 2026, 12:01 AM UTC.

Source: Open-Meteo.

Forecast period: 2026-10-23 to 2026-10-29.

Forecast source: open-meteo.

Years with usable data: 10 of 10.

Historical dataset: era5.

Samples: 150.

Method: heat-stress-avg-v1-2026-09-22.

outdoor farmers · tourism · energy demand · soy farmers · sugarcane growers · cotton growers

Rainfall is trending above the usual

extreme

Around 8.9mm of rain may fall in the next 48 hours — above the 0.6mm typical for this period. Field access, drying, and outdoor logistics may be affected.

Reading evidence

Reading calculated Oct 23, 2026, 12:03 PM UTC.

Valid until Oct 25, 2026, 12:01 AM UTC.

Source: Open-Meteo.

Forecast period: 2026-10-23 to 2026-10-24.

Forecast source: open-meteo.

Historical reference window: 10 requested years.

Historical reference window: ±7 calendar days.

Years with usable data: 10 of 10.

Historical dataset: era5.

Samples: 150.

Method: rolling-sum-v2-anchor-lookback-2026-09-21.

farmers · tourism · logistics · soy farmers · sugarcane growers · cotton growers

Recorded daily weather · Open-Meteo

Rain 5.6 mmMax 32.6 °CMin 25.9 °CGusts 45.7 km/h

Comparison unavailable for this edition.

What people were seeing · community field reports

No field observations were posted for this place on Oct 23, 2026.