7-day forecast for Brazil: Heat gives way to rain in São Paulo and Rio

São Paulo: Heat gives way to frequent rain

São Paulo is in for a week of contrasts: intense heat through Friday (9) will give way to more frequent rain from Saturday (10) through Wednesday (14). Thursday, October 8, will be sunny with a nearby trough and a high of 28°C. With no change in pressure, Friday (9) will remain hot, reaching 31°C, while Saturday (10) will see the high drop to 30°C, with a 60% chance of rain. On Sunday (11), rain will continue with a nearby ridge, with a 50% chance and a high of 26°C. Rain is expected to persist from Monday through Wednesday (12–14), with chances of 60% to 70% and highs between 25°C and 27°C.

Rio de Janeiro: Dry days before concentrated rain

In Rio de Janeiro, the week will start dry, with rain concentrated from midweek through the latter part of the period, before skies clear on Wednesday (14). Thursday, October 8, will be sunny with a nearby trough and a high of 25°C. The temperature will rise to 28°C on Friday (9); on Saturday (10), a ridge to the east will bring occasional clouds and a high of 29°C. From Sunday through Tuesday (11–13), rain is expected to continue with a nearby ridge at first and no new weather factor afterward. Rain chances will be between 50% and 60%, with highs around 29°C. On Wednesday (14), rain will end, with occasional clouds and a high of 28°C.

Brasília and Recife: Extreme heat and dry, stable conditions

Brasília will have the hottest week in the country, with extreme heat on Saturday (10), while Recife will remain stable and dry. In Brasília, Thursday and Friday (8–9) will be sunny with a nearby trough, with highs of 32°C and 34°C. On Saturday (10), heat will reach an extreme level of 35°C with a ridge to the east. Sunday through Monday (11–12) will be sunny with a nearby trough, with highs of 33°C. On Wednesday (14), with no new weather factor, the high will drop to 30°C, the lowest of the week, with a 50% chance of rain. In Recife, with no change in pressure through Saturday, highs will be around 31°C. From Sunday through Monday, a trough to the west and then to the south will accompany highs between 30°C and 31°C, which will continue through Wednesday.