Weather forecast for 10 daysMalacacheta, Brazil
Weather forecast for the weekend
Sunday 18. Oct 2026
- 31°C
- 21°C
Thunderstorms
- Precip. probability: 93%
- Precipitation: 2mm
- Wind: 8km/hSSE 150°
- Humidity: 67%
- UV index: 11
- Sunrise: 05:17 -03
- Sunset: 17:49 -03
- details ▼
Today, on Sunday, 18th of October, electrical storms are a possibility.
Minimal precipitation is predicted. The highest temperature will be a humid 31°C, while the lowest anticipated temperature is a pleasant 21°C.
The maximum heat index, which integrates air moisture with ambient temperature, is estimated at a steamy 37°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, the forecasted high will be relatively higher than October's typical maximum of 28.5°C.
Sunrise was at 05:17 and sunset will be at 17:49; the daylight will last for 12h and 32min.
Minimal precipitation is predicted. The highest temperature will be a humid 31°C, while the lowest anticipated temperature is a pleasant 21°C.
The maximum heat index, which integrates air moisture with ambient temperature, is estimated at a steamy 37°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, the forecasted high will be relatively higher than October's typical maximum of 28.5°C.
Sunrise was at 05:17 and sunset will be at 17:49; the daylight will last for 12h and 32min.
10-day overview
Daily temperatures
Maximum temperature: 33°C.
Coldest period: Tuesday - Wednesday 26°C.
Coldest period: Tuesday - Wednesday 26°C.
Chance of precipitation
Highest chance: today 93%.
Long-term weather forecast
- Sunday
- 18. Oct 2026
- 31°C
- 21°C
Thunderstorms
- Precip. probability: 93%
- Precipitation: 2mm
- Wind: 8km/hSSE 150°
- Humidity: 67%
- UV index: 11
- Sunrise: 05:17 -03
- Sunset: 17:49 -03
- details ▼
- Monday
- 19. Oct 2026
- 33°C
- 18°C
PM Thunderstorms
- Precip. probability: 76%
- Precipitation: 10mm
- Wind: 14km/hSSW 199°
- Humidity: 57%
- UV index: 11
- Sunrise: 05:16 -03
- Sunset: 17:50 -03
- details ▼
- Tuesday
- 20. Oct 2026
- 26°C
- 18°C
Showers
- Precip. probability: 40%
- Precipitation: 2mm
- Wind: 14km/hESE 108°
- Humidity: 79%
- UV index: 6
- Sunrise: 05:15 -03
- Sunset: 17:50 -03
- details ▼
- Wednesday
- 21. Oct 2026
- 26°C
- 18°C
Showers
- Precip. probability: 39%
- Precipitation: 2mm
- Wind: 13km/hESE 102°
- Humidity: 78%
- UV index: 6
- Sunrise: 05:15 -03
- Sunset: 17:50 -03
- details ▼
- Thursday
- 22. Oct 2026
- 29°C
- 20°C
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 1mm
- Wind: 14km/hE 89°
- Humidity: 70%
- UV index: 11
- Sunrise: 05:14 -03
- Sunset: 17:51 -03
- details ▼
- Friday
- 23. Oct 2026
- 32°C
- 20°C
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 3mm
- Wind: 9km/hENE 74°
- Humidity: 60%
- UV index: 11
- Sunrise: 05:13 -03
- Sunset: 17:51 -03
- details ▼
- Saturday
- 24. Oct 2026
- 33°C
- 22°C
PM Thunderstorms
- Precip. probability: 41%
- Precipitation: 3mm
- Wind: 12km/hWSW 252°
- Humidity: 54%
- UV index: 11
- Sunrise: 05:13 -03
- Sunset: 17:51 -03
- details ▼
- Sunday
- 25. Oct 2026
- 33°C
- 21°C
Thunderstorms
- Precip. probability: 63%
- Precipitation: 11mm
- Wind: 11km/hE 97°
- Humidity: 57%
- UV index: 11
- Sunrise: 05:12 -03
- Sunset: 17:52 -03
- details ▼
- Monday
- 26. Oct 2026
- 31°C
- 21°C
PM Thunderstorms
- Precip. probability: 59%
- Precipitation: 9mm
- Wind: 13km/hNNE 13°
- Humidity: 68%
- UV index: 11
- Sunrise: 05:12 -03
- Sunset: 17:52 -03
- details ▼
- Tuesday
- 27. Oct 2026
- 28°C
- 19°C
Thunderstorms
- Precip. probability: 60%
- Precipitation: 10mm
- Wind: 11km/hNE 53°
- Humidity: 76%
- UV index: 9
- Sunrise: 05:11 -03
- Sunset: 17:52 -03
- details ▼
Looking ahead, conditions suggest a period of thunderstorm-prone, wet and overcast weather is forecasted.
Rain is predicted day-to-day, with daily precipitation varying from a minimal 1mm to a maximum of 11mm.
Significant changes in temperature are expected across the forecast period. The maximum temperature will vary between 26°C and 33°C, while the forecast minimum temperature falls between 18°C and 22°C.
With a maximum temperature of 33°C, Monday, Saturday and next Sunday will be the hottest days; Tuesday and Wednesday, with the highest temperature of 26°C, will be the coldest days.
Taking the humidity into consideration, the maximum feel-like temperature may increase and range between 26°C and a fiery hot 38°C.
Rain is predicted day-to-day, with daily precipitation varying from a minimal 1mm to a maximum of 11mm.
Significant changes in temperature are expected across the forecast period. The maximum temperature will vary between 26°C and 33°C, while the forecast minimum temperature falls between 18°C and 22°C.
With a maximum temperature of 33°C, Monday, Saturday and next Sunday will be the hottest days; Tuesday and Wednesday, with the highest temperature of 26°C, will be the coldest days.
Taking the humidity into consideration, the maximum feel-like temperature may increase and range between 26°C and a fiery hot 38°C.
Updated: Oct 18, 2026 @ 14:19:28 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, wet and stormy weather is expected.
There is a high probability of rainfall. Precipitation will be minimal.
Today, the maximum temperature will be 31°C, while the minimum temperature will be 21°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be 37°C.
The maximum temperature will be a few degrees higher than the average highest temperature of 28.5°C in October. The lowest temperature today will be also slightly warmer than the average low temperature.
The maximum temperature will be a few degrees higher than the average highest temperature of 28.5°C in October. The lowest temperature today will be also slightly warmer than the average low temperature.
On Sunday, in Malacacheta, sunrise was at 05:17 and sunset will be at 17:49 (-03).
Today, the daylight will last for 12h and 32min.





