Today: Dry air in Brasília and a chance of rain in São Paulo tonight

São Paulo: Sunshine during the day and a chance of rain from 6 p.m.

São Paulo is forecast to have sunny weather with occasional clouds today, October 9, with a low of 20 °C and a high of 31 °C. At 6 a.m., skies are cloudy and the temperature is 20 °C; at 9 a.m., it is sunny and 25 °C; at noon and 3 p.m., the temperature is 30 °C.

At 6 p.m., the chance of rain is 90%, with cloudy skies and a temperature of 25 °C. At 9 p.m., the chance is also 90%, with a temperature of 23 °C. The precipitation forecast for both times is 0.0 mm, so carrying an umbrella is an optional precaution for anyone going out in the late afternoon or evening.

Air quality in São Paulo is classified as moderately polluted at 6 a.m. and 9 a.m., and lightly polluted at noon, 3 p.m. and 6 p.m.

Brasília: High of 33 °C and humidity of 15% today

Brasília is forecast to have sunny weather today, with a low of 20 °C, a high of 33 °C and relative humidity of 15%. At 6 a.m., the temperature is 19 °C and humidity is 47%; at 9 a.m., 27 °C and 28%; and at 3 p.m., 33 °C and 15%.

The chance of rain is 10% for the day, with 0 mm forecast, and skies are clear at 9 a.m., noon and 3 p.m. The outdoor activity index is rated slightly poor, while the driving index is excellent and the heat risk (WBGT) is low. The mosquito index indicates few mosquitoes or low activity.

Air quality for the day is good, and excellent at 3 p.m.

Rio and Recife: Sunshine, humid heat and mosquito activity to watch

Rio de Janeiro is forecast to have sunny weather, with a low of 22 °C, a high of 28 °C and humidity of 72%. The mosquito index indicates high activity, with full protection recommended, and the heat index (WBGT) calls for attention. Air quality for the day is lightly polluted.

Recife is also forecast to have sunny weather, with a low of 25 °C, a high of 31 °C and humidity of 62%. The mosquito index recommends using repellent, and the heat index (WBGT) indicates caution. Air quality for the day is good.

In both cities, the chance of rain for the day is 10%, with 0 mm forecast.