Weather forecast for todayPetrolina, Brazil

Weather forecast for today

Current condition 03:18 -03

  • 28°C
  • Feels like:
    29°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 3km/hSSW 200°
  • Humidity: 62%
  • Dewpoint: 19°C
  • Pressure: 1010.16mbar
  • Visibility: 9.66km
  • UV index: 0
  • ▼
In Petrolina, at the moment, warm temperatures and a mostly clear sky create a relaxing setting.
The temperature is a temperate 28°C, and the felt air temperature is almost the same at 29°C. The current temperature is relatively far from the maximum of 34°C predicted for today.

Sunday 18. Oct 2026

  • 34°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 52%
  • Precipitation: 1mm
  • Wind: 13km/hNNW 333°
  • Humidity: 50%
  • UV index: 11
  • Sunrise: 05:17 -03
  • Sunset: 17:37 -03
  • ▼
On Sunday, in Petrolina, expect scattered thunderstorms that may be accompanied by brief heavy rain and thunder.
Minimal precipitation is forecasted for today. Temperatures will oscillate between a hot 34°C at their highest and a moderately hot 25°C at their lowest.
The maximum heat index, which combines relative humidity and air temperature, is computed to be a torrid 38°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Today, expect the temperature to remain near October's average maximum of 33.8°C.
Sunrise will be at 05:17 and sunset at 17:37; the daylight will last for 12h and 20min.

Hourly overview

Hourly temperatures

Warmest period: 12h - 16h 36°C.
Coldest hour: 6h 29°C.

Chance of precipitation

Highest chance: 4h 50%.

Hourly weather forecast

  • 4h
  • 28°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 1mm
  • Wind: 5km/hNE 46°
  • Humidity: 62%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunrise: 05:17
  • 6h
  • 27°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 41%
  • Precipitation: 0mm
  • Wind: 8km/hNNE 22°
  • Humidity: 61%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 8h
  • 30°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 13km/hN 4°
  • Humidity: 52%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 10h
  • 32°C
  • Feels like:
    34°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 11km/hNNW 335°
  • Humidity: 45%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 12h
  • 33°C
  • Feels like:
    36°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 13km/hWNW 303°
  • Humidity: 42%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 10
  • ▼
  • 14h
  • 34°C
  • Feels like:
    36°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 12km/hNW 304°
  • Humidity: 41%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 16h
  • 33°C
  • Feels like:
    36°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 13km/hWNW 298°
  • Humidity: 42%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
Sunset: 17:37
  • 18h
  • 31°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 10km/hW 266°
  • Humidity: 52%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 28°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 5km/hWSW 246°
  • Humidity: 64%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 27°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 6km/hSSW 201°
  • Humidity: 68%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, a combination of primarily overcast and occasionally damp and unstable weather is forecasted.
With minimal precipitation of 1mm, rainfall is forecasted at 4h, 5h and 15h.
The temperature will vary between a maximum of 34°C and a minimum of 27°C. The hottest part of the day will be from 13h to 15h.
Today, the temperature is forecasted to be close to the usual maximum for October. Today, the low will be also a couple of degrees higher than the usual October value of 22.4°C.
Updated: Oct 18, 2026 @ 06:18:35 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 03:18 -03 is 28°C.

Today, there will be scattered thunderstorms throughout the day.

There is a high probability of rainfall. Precipitation will be minimal.

Today, the maximum temperature will be 34°C, while the minimum temperature will be 25°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at 38°C.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be slightly warmer than the average low temperature.

On Sunday, in Petrolina, sunrise will be at 05:17 and sunset at 17:37 (-03).

Today, the daylight will last for 12h and 20min.