Today's forecast: Occasional rain in São Paulo and sun in Rio

São Paulo: 50% chance of rain, no rainfall forecast

São Paulo is forecast to have sunshine with occasional rain today, with a 50% chance of rain and 0 mm of precipitation. Temperatures are forecast to range from 17 °C to 25 °C.

At 6 a.m., skies are forecast to be cloudy, with a temperature of 18 °C and a 40% chance of rain. At 12 p.m., cloudy skies are forecast, with a temperature of 24 °C and a 40% chance of rain. At 3 p.m., sunny conditions are forecast, with a temperature of 25 °C and a 10% chance of rain. At 9 p.m., skies are forecast to be cloudy, with a temperature of 22 °C.

Carrying an umbrella is optional.

Rain risk at 3 p.m. in Brasília; sun in Rio and Recife

Brasília is forecast to have sunshine with occasional clouds, with a low of 20 °C and a high of 30 °C. Relative humidity is forecast at 34%.

At 3 p.m., the chance of rain reaches 90%, although the forecast indicates 0.0 mm of precipitation and sunny conditions at that time; carrying an umbrella is optional. At 12 p.m., the forecast is for 30 °C, with a 10% chance of rain.

Rio de Janeiro is forecast to be sunny, with temperatures ranging from 22 °C to 28 °C and a 10% chance of rain. Recife is forecast to be sunny, with temperatures ranging from 26 °C to 31 °C and a 10% chance of rain.

Air quality and mosquito repellent: differences by city

Daily air quality is good in São Paulo, Brasília, and Recife, and slightly polluted in Rio de Janeiro. At 6 a.m. in São Paulo, the forecast air quality index indicates slightly polluted air; the same is forecast for Rio at 9 a.m. and 12 p.m.

The mosquito index indicates high activity in Brasília, Rio de Janeiro, and São Paulo, with full protection recommended. In Recife, the index advises caution around mosquitoes, and repellent is recommended.

The heat index (WBGT) indicates an alert level in Brasília and Rio, a caution level in Recife, and low risk in São Paulo.