Today, 21/10: Sun in São Paulo and Brasília, more clouds in Rio

São Paulo and Rio: Sun and clouds, with a chance of rain in Rio

São Paulo is forecast to be sunny with occasional clouds today, with a low of 14 °C and a high of 22 °C. Rainfall is forecast at 0 mm, with a 20% chance of rain during the day. At 6 a.m., the forecast is 15 °C and cloudy; at 9 a.m., sunny with a temperature of 18 °C.

In Rio de Janeiro, sunny skies are forecast before turning cloudy, with a low of 21 °C and a high of 24 °C. The chance of rain during the day is 30%. At 3 p.m., the forecast indicates a 40% chance of rain and cloudy skies. At 9 p.m., the chance of rain is also 40%, with a forecast temperature of 22 °C.

Brasília and Recife: Sun and heat awareness

Brasília is forecast to be sunny, with a low of 20 °C, a high of 31 °C and a 10% chance of rain. At 6 a.m., the forecast is 21 °C, thin clouds and 75% relative humidity; at noon, clear skies, 30 °C and 41% humidity. The heat index (WBGT) is at the attention level.

Recife is forecast to be sunny, with a low of 26 °C, a high of 31 °C, 66% relative humidity and a 10% chance of rain. The forecast for noon is 31 °C. The heat index (WBGT) indicates caution.

Excellent air quality, driving conditions and recommended repellent

Air quality is excellent in Brasília and good in Recife, Rio de Janeiro and São Paulo. The driving conditions index is excellent in all four cities: Brasília, Recife, Rio de Janeiro and São Paulo.

The mosquito index calls for caution, with repellent recommended in Brasília, Recife, Rio and São Paulo. The outdoor activity index is excellent in Rio and São Paulo, fair in Brasília and poor in Recife. The heat index (WBGT) indicates low risk in Rio de Janeiro and São Paulo.