Sorocaba: Weather Shifts from Rain to Sun and Heat in Three Days

Sorocaba, in São Paulo’s interior, recorded a remarkable shift in weather this week, moving from brief rain to intense sunshine and rising temperatures. This progressive change, culminating in a hotter and drier Friday, has caught residents' attention and spurred the search for local forecasts.

From rain to stable weather: the weekly transition

The week in Sorocaba, according to Climatempo, began with a distinct outlook. On Wednesday, August 26, the city experienced sunshine with scattered clouds and brief showers. The scenario changed gradually, and Thursday, August 27 was marked by stability and predominance of sun, with no rain forecast, although some fog appeared at dawn in certain areas.

The transition solidified on Friday, August 28, when the weather became fully settled. Residents could expect a sunny day with few clouds, remaining dry with no rain expected throughout the period, also with morning fog.

Rising temperatures

Temperatures in Sorocaba rose significantly over the three days. On Wednesday, thermometers ranged from a low of 15°C to a high of 22°C, with a felt temperature of 17°C. Early morning and pre‑dawn stayed between 15°C and 19°C, climbing to 22°C in the afternoon and staying between 18°C and 22°C at night.

Thursday already indicated an increase, with a low of 16°C and a high of 26°C, and a felt temperature of 19°C. During the night, values were between 16°C and 18°C, rising to 16°C‑21°C in the morning, reaching 23°C‑26°C in the afternoon, and varying from 20°C to 26°C at night.

The heat peak was recorded on Friday, with temperatures from a low of 17°C to a high of 31°C, and a felt temperature of 21°C. The night began with 17°C‑18°C, rising to 17°C‑24°C in the morning. The afternoon concentrated the greatest heat, between 27°C and 31°C, while the night showed values between 24°C and 30°C.

Air humidity and winds

Relative humidity also varied. On Wednesday, it ranged from 70% to 96%. On Thursday, the range was 55% to 100%. By Friday, levels fell between 45% and 83%, indicating a trend toward drier air at week’s end.

Winds also changed direction and intensity. On Wednesday, they blew from the south‑southeast at an average speed of 4 km/h. On Thursday, they came from the north‑northeast at 5 km/h. Finally, on Friday, winds were from the north, averaging about 7 km/h.

What to expect throughout the day

Across the days, the general weather pattern in Sorocaba, according to Climatempo, showed distinct moments. Wednesday featured opening sun with clouds and quick showers, with more cloud cover at night but no new rain.

On Thursday, the day started with fog, but sun predominated with some clouds, keeping the sky clear at night. Friday also began with fog that dissipated, ensuring predominantly clear skies and sunny conditions in the afternoon, remaining stable with few clouds at night.

Recommendations for residents

Given the weather conditions, some recommendations were offered. On Wednesday, the temperature swing and possibility of brief rain required attention from people on the move, and wearing light layers was advisable due to the more humid air and mild climate early in the day and at night.

On Thursday, morning fog called for basic caution from drivers because of reduced visibility. The warmer afternoon favored outdoor activities. For Friday, the lack of precipitation and midday temperature rise call for attention to hydration, especially when humidity reaches its lowest levels. The meteorological conditions favored outdoor activities for most of the day.

With information from Terra.