Weather forecast in Guarulhos: From sunshine and heat to the arrival of rain

Guarulhos, in the São Paulo metropolitan area, has generated great interest in seeking climate information due to the expected changes in the coming days. Forecasts indicate a transition period, with sunny and dry days giving way to scenarios with more cloudiness and rain.

Forecast for Friday (28)

Friday, August 28, was marked by a predominance of sun accompanied by clouds in Guarulhos. Temperatures showed significant variation, with lows between 16°C and 17°C in the early hours and highs reaching 31°C to 32°C in the afternoon, according to Climatempo and Metrô News Jornal. There was no expectation of precipitation for this date, with a 0% chance of rain.

Relative humidity recorded a wide range, varying from 37% during the hottest periods to 92% at more humid moments, dropping to 27% during the day. Winds blew from the northeast at an average speed of about 5.07 km/h to 7 km/h, keeping air movement gentle.

The weekend: Heat and cloudiness (29 and 30)

For Saturday, the 29th, temperatures are expected to rise, with highs reaching 34°C. The sky will be cloudy, but no rain is forecast. On Sunday, the 30th, the weather should remain clear, with highs that may reach 36°C, according to Metrô News Jornal.

Turn of the month: Rain approaches (31 and 1)

Starting Monday, the 31st, climatic conditions begin to change. Temperatures will stay high, possibly reaching 37°C, but the sky will be partly cloudy. The G1 portal, using Climatempo data, reports for this Monday (31) sun with many clouds and periods of overcast, with nighttime rain showers and thunderstorms. Forecasted highs are 30°C and lows 19°C.

For Tuesday, the 1st, the forecast calls for sun and many clouds in the morning, followed by heavy rain in the afternoon and a rainy night. There is an expectation of rising humidity and the possibility of rain from this day onward.

Temperature and humidity variations

Thermal variations are constant throughout the day in Guarulhos. On Friday (28), the early morning started between 16°C and 18°C, gradually rising during the morning to the 16°C‑24°C range. The heat peak occurred in the afternoon, with thermometers swinging between 28°C and 31°C. At night, cloudiness decreased, with temperatures between 23°C and 30°C.

Impact on daily life

With dry weather and no rain forecast on some days, the population may enjoy favorable conditions for outdoor activities and urban travel. However, low relative humidity at certain times and the large gap between minimum and maximum temperatures require attention to stay hydrated throughout the day. It is important to drink plenty of water and use sunscreen, especially on the hottest and driest days.

Information from G1, Terra, Metrô News Jornal.