Weather forecast for 10 daysCosta Marques, Brazil

Weather forecast for the weekend

Saturday 31. Oct 2026

  • 33°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 91%
  • Precipitation: 2mm
  • Wind: 8km/hNW 309°
  • Humidity: 73%
  • UV index: 7
  • Sunrise: 05:44 -04
  • Sunset: 18:16 -04
  • ▼
Today, rolling thunder and rain showers are in the outlook.
Minimal precipitation is forecasted. Expected temperatures will peak at a hot 33°C and dip to a minimum of a warm 24°C.
The maximum heat index, which modifies the air temperature to account for humidity, is computed to be a burning hot 45°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The highest temperature today will align with the usual October peak of 34.4°C.
Sunrise was at 05:44 and sunset will be at 18:16; the daylight will last for 12h and 33min.

Sunday 1. Nov 2026

  • 34°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 59%
  • Precipitation: 2mm
  • Wind: 11km/hNNW 336°
  • Humidity: 64%
  • UV index: 11
  • Sunrise: 05:43 -04
  • Sunset: 18:17 -04
  • ▼
Tomorrow, on Sunday, afternoon storms may bring rain and loud thunderclaps.
Minimal precipitation is forecasted. The maximum expected temperature is a tropical 34°C, while the minimum temperature will be a temperate 24°C.
The maximum heat index, which integrates air moisture with ambient temperature, is appraised at a blisteringly hot 44°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, the predicted maximum temperature should be consistent with October's typical high of 34.4°C.
Sunrise will be at 05:43 and sunset at 18:17; tomorrow's daylight will last for 12h and 34min.

10-day overview

Daily temperatures

Warmest period: Tuesday - Wednesday 36°C.
Coldest day: Sunday 08.11. 31°C.

Chance of precipitation

Highest chance: today 91%.

Long-term weather forecast

  • Saturday
  • 31. Oct 2026
  • 33°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 91%
  • Precipitation: 2mm
  • Wind: 8km/hNW 309°
  • Humidity: 73%
  • UV index: 7
  • Sunrise: 05:44 -04
  • Sunset: 18:16 -04
  • ▼
  • Sunday
  • 1. Nov 2026
  • 34°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 59%
  • Precipitation: 2mm
  • Wind: 11km/hNNW 336°
  • Humidity: 64%
  • UV index: 11
  • Sunrise: 05:43 -04
  • Sunset: 18:17 -04
  • ▼
  • Monday
  • 2. Nov 2026
  • 35°C
  • 25°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 12km/hNNW 328°
  • Humidity: 60%
  • UV index: 11
  • Sunrise: 05:43 -04
  • Sunset: 18:17 -04
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 36°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 40%
  • Precipitation: 1mm
  • Wind: 12km/hNW 319°
  • Humidity: 58%
  • UV index: 11
  • Sunrise: 05:43 -04
  • Sunset: 18:17 -04
  • ▼
  • Wednesday
  • 4. Nov 2026
  • 36°C
  • 25°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 14km/hNW 322°
  • Humidity: 57%
  • UV index: 11
  • Sunrise: 05:42 -04
  • Sunset: 18:18 -04
  • ▼
  • Thursday
  • 5. Nov 2026
  • 33°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 52%
  • Precipitation: 5mm
  • Wind: 10km/hNNW 327°
  • Humidity: 65%
  • UV index: 11
  • Sunrise: 05:42 -04
  • Sunset: 18:18 -04
  • ▼
  • Friday
  • 6. Nov 2026
  • 34°C
  • 24°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 44%
  • Precipitation: 4mm
  • Wind: 12km/hNW 320°
  • Humidity: 64%
  • UV index: 11
  • Sunrise: 05:42 -04
  • Sunset: 18:18 -04
  • ▼
  • Saturday
  • 7. Nov 2026
  • 34°C
  • 23°C
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 9mm
  • Wind: 11km/hNW 316°
  • Humidity: 64%
  • UV index: 10
  • Sunrise: 05:42 -04
  • Sunset: 18:19 -04
  • ▼
  • Sunday
  • 8. Nov 2026
  • 31°C
  • 23°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 35%
  • Precipitation: 3mm
  • Wind: 12km/hWSW 237°
  • Humidity: 67%
  • UV index: 11
  • Sunrise: 05:41 -04
  • Sunset: 18:19 -04
  • ▼
  • Monday
  • 9. Nov 2026
  • 35°C
  • 24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 11km/hNW 307°
  • Humidity: 55%
  • UV index: 11
  • Sunrise: 05:41 -04
  • Sunset: 18:19 -04
  • ▼
During the ten-day period, primarily storm-filled and occasionally cloud-filled and bright weather is forecasted.
Rainfall is anticipated on Saturday, Sunday, Tuesday, Thursday through next Sunday.
In the coming days, the maximum temperature will vary between 31°C and 36°C, while the lowest nightly temperature differences will be negligible, as night temperatures will lie between 23°C and 25°C.
Tuesday and Wednesday, with the highest temperature of 36°C, will be the hottest days; with the highest temperature of 31°C, next Sunday will be the coldest day.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and vary between a torrid 37°C and a burning hot 47°C.
Updated: Oct 31, 2026 @ 18:16:02 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, the potential for thunderstorms remains.

There is a high likelihood of rainfall, but precipitation will be minimal.

Today, the highest temperature will be 33°C, while the lowest temperature will be 24°C. The maximum heat index, which combines relative humidity and air temperature, is calculated to be 45°C.
The highest temperature today will be in line with the average maximum temperature in October. Today, the lowest temperature will be also in line with the average low temperature.

On Saturday, in Costa Marques, sunrise was at 05:44 and sunset will be at 18:16 (-04).

In Costa Marques, today, there will be 12h and 33min of daylight.

Tomorrow, expect stormy weather in the afternoon with lightning and gusts.

There is a high chance of rainfall, but precipitation will be minimal.

Tomorrow, the maximum temperature will be 34°C, while the minimum temperature will be 24°C. The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be 44°C.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.

On Sunday, in Costa Marques, sunrise will be at 05:43 and sunset at 18:17 (-04).

Tomorrow, the daylight will last for 12h and 34min.