Weekly forecast: Rain and sun alternate in São Paulo, Rio, Brasília and Recife

Rain at the start and end of the week in São Paulo, with sunshine in between

São Paulo is forecast to have rain at both ends of the week, with a dry spell in the middle. Friday (October 16) will begin with a 70% chance of rain, a high of 24°C and a low of 18°C. Conditions are expected to improve on Saturday (17), remaining dry through Tuesday (20), with a 10% to 20% chance of rain and highs of 19°C to 24°C. Rain is forecast to return on Wednesday (21), with a 60% chance, and continue on Thursday (22), when the chance rises to 80%, with a high of 23°C and a low of 17°C.

Cold front reaches Rio on Saturday, followed by more settled weather

In Rio de Janeiro, the week is forecast to begin with rain, become more settled in the middle and see the chance of rain rise again toward the end of the period. Friday (October 16) has a 60% chance of rain, with a high of 28°C and a low of 23°C. A cold front is forecast to extend across the region on Saturday (17), when the chance rises to 70%, with a high of 24°C. From Sunday (18) through Wednesday (21), conditions are expected to be more settled, with chances of rain ranging from 20% to 40% and highs of 23°C to 24°C. The chance of rain is forecast to rise again on Thursday (22), to 70%, with a high of 25°C.

Brasília turns dry in the second half of the week; Recife remains sunny

Brasília is forecast to have a rainy start to the week and dry conditions in the second half, while Recife is expected to remain sunny, with a low chance of rain throughout the period. In Brasília, a stationary front is forecast to extend across the region on Friday (October 16), with a 70% chance of rain and a high of 27°C. The chance remains at 60% on Saturday (17) and Sunday (18), with highs of 27°C. From Monday (19), conditions are expected to be dry, with a 10% chance of rain through Thursday (22), while highs rise from 28°C to 30°C. In Recife, the chance of rain remains low, at around 10%, with sunny skies and highs of 30°C to 31°C.