Today, rain is forecast in São Paulo at 12 p.m. and 3 p.m.; Rio is forecast to be sunny

São Paulo: sunshine at 9 a.m., with rain forecast at 12 p.m. and 3 p.m.

São Paulo is forecast to be sunny before rain on Tuesday (13), with a 60% chance of rain, 3 mm of precipitation, a low of 18 °C and a high of 26 °C. At 6 a.m., skies are forecast to be cloudy, with a temperature of 18 °C; at 9 a.m., it is forecast to be sunny, at 22 °C.

Rain is forecast at 12 p.m., with 1.0 mm of precipitation and a temperature of 26 °C. At 3 p.m., the chance of rain is 90%, and the temperature is 24 °C. Rainfall of 1.0 mm is forecast at 9 p.m., with a temperature of 21 °C. Carrying an umbrella is an optional precaution when traveling on foot.

Rio, Recife and Brasília: sunshine and a low chance of rain

In Rio de Janeiro, sunny weather with occasional clouds is forecast, with a low of 23 °C, a high of 26 °C and a 20% chance of rain. At 6 a.m., light clouds are forecast, with a temperature of 23 °C; at 6 p.m., skies are forecast to be cloudy, at 25 °C.

In Recife, a sunny day is forecast, with a low of 25 °C and a high of 31 °C. At 12 p.m., skies are forecast to be clear, with a temperature of 31 °C and a 0% chance of rain. In Brasília, a sunny day is forecast, with a low of 21 °C, a high of 32 °C and relative humidity of 29%; at 3 p.m., the temperature is 32 °C under clear skies.

Mosquitoes and heat warrant attention; air quality is good in some areas

The mosquito index indicates high activity in Rio de Janeiro and São Paulo, with full protection recommended. In Recife, the index indicates caution, and repellent is recommended. In Brasília, mosquitoes are possible, and preparations depend on need.

The WBGT, an indicator of heat stress, is at the attention level in Brasília and Rio de Janeiro and at the caution level in Recife; in São Paulo, the risk is low. The day's air quality is good in Brasília and Recife and slightly polluted in Rio de Janeiro and São Paulo.