Home → Weather news → Heavy Rainfall Forecasted for Rio de Janeiro on October 25, 2026
Heavy Rainfall Forecasted for Rio de Janeiro on October 25, 2026
An automated alert from wweather1.com indicates a high-severity rain forecast for Rio de Janeiro, Brazil, on October 25, 2026. The predicted precipitation value of 39.3 mm exceeds the system's set threshold.
An automated rain alert has been generated for Rio de Janeiro, Brazil, beginning at 00:00:00.000Z on October 25, 2026. The high-severity alert is based on forecast data from wweather1.com.
The metric monitored for this event is precipitation measured in millimeters. The forecast date for the event is October 25, 2026, with predicted rainfall reaching 39.3 mm.
This expected precipitation crosses the predefined threshold of 30 mm. The automated notification was issued after the forecast data exceeded this parameter.
Why it is dangerous and what to do
⚠️ Safety
• Stay indoors during periods of heavy rainfall if travel is not necessary.
• Avoid driving or walking through flooded areas and roadways.
• Monitor local weather announcements for ongoing updates.
📊 The numbers, from wweather1 data
Rio de Janeiro: now +23°, Drizzle.
That is 4° below the October climate norm.
The record for this date is +38° (1960).
Three-day forecast: 25 October: +24°/+22° · 26 October: +22°/+20° · 27 October: +23°/+19°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates. 🌍 Weather in nearby cities
São Paulo
now
⛈️
+20°
Rio de Janeiro
now
🌦️
+23°
Belo Horizonte
now
☁️
+24°
Curitiba
now
☁️
+16°
Guarulhos
now
⛈️
+20°
Campinas
now
⛈️
+20°
📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.