Weather forecast for todayMonte Alegre do Piauí, Brazil

Weather forecast for today

Current condition 08:41 -03

  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precipitation: 0mm
  • Wind: 11km/hNNW 330°
  • Humidity: 80%
  • Dewpoint: 22°C
  • Pressure: 1014.22mbar
  • Visibility: 16.09km
  • UV index: 4
  • ▼
In Monte Alegre do Piauí, currently, the horizon is coated in dense cloud cover, keeping the day gray.
The temperature is a temperate 25°C. The current temperature is nearly at the maximum of today's expected 27°C.

Sunday 18. Oct 2026

  • 27°C
  • 23°C
Thunderstorms
Thunderstorms
  • Precip. probability: 98%
  • Precipitation: 16mm
  • Wind: 11km/hN 351°
  • Humidity: 76%
  • UV index: 7
  • Sunrise: 05:36 -03
  • Sunset: 17:56 -03
  • ▼
On Sunday, in Monte Alegre do Piauí, rumbles of thunder are likely.
With a high probability, moderate precipitation is anticipated for today. Slight changes in temperature are forecasted, reaching a high of a temperate 27°C and decreasing to a low of a warm 23°C.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at 29°C.
An unusual colder pattern is expected, as the day’s high matches November's typical max of 33.3°C.
Sunrise was at 05:36 and sunset will be at 17:56; the daylight will last for 12h and 20min.

Hourly overview

Hourly temperatures

Warmest hour: 13h 30°C.
Coldest hour: 9h 25°C.

Chance of precipitation

Highest chance: 9h 97%.

Hourly weather forecast

  • 9h
  • 25°C
  • Feels like:
    25°C
Thunderstorms
Thunderstorms
  • Precip. probability: 97%
  • Precipitation: 7mm
  • Wind: 11km/hNNW 340°
  • Humidity: 79%
  • Pressure: 1014mbar
  • Visibility: 9km
  • UV index: 3
  • ▼
  • 10h
  • 26°C
  • Feels like:
    28°C
Thunderstorms
Thunderstorms
  • Precip. probability: 93%
  • Precipitation: 7mm
  • Wind: 10km/hNNW 339°
  • Humidity: 76%
  • Pressure: 1014mbar
  • Visibility: 6km
  • UV index: 5
  • ▼
  • 11h
  • 27°C
  • Feels like:
    29°C
Thunderstorms
Thunderstorms
  • Precip. probability: 85%
  • Precipitation: 2mm
  • Wind: 10km/hN 354°
  • Humidity: 74%
  • Pressure: 1013mbar
  • Visibility: 6km
  • UV index: 7
  • ▼
  • 12h
  • 27°C
  • Feels like:
    30°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 54%
  • Precipitation: 1mm
  • Wind: 11km/hN 353°
  • Humidity: 73%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 7
  • ▼
  • 13h
  • 27°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 11km/hNNW 345°
  • Humidity: 72%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 14h
  • 27°C
  • Feels like:
    30°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 40%
  • Precipitation: 0mm
  • Wind: 11km/hNNW 344°
  • Humidity: 74%
  • Pressure: 1010mbar
  • Visibility: 14km
  • UV index: 5
  • ▼
  • 15h
  • 27°C
  • Feels like:
    29°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 10km/hN 350°
  • Humidity: 75%
  • Pressure: 1010mbar
  • Visibility: 14km
  • UV index: 3
  • ▼
  • 16h
  • 27°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Wind: 9km/hN 359°
  • Humidity: 73%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 17h
  • 27°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 8km/hNNE 13°
  • Humidity: 72%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:56
  • 18h
  • 26°C
  • Feels like:
    28°C
Cloudy
Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 6km/hN 355°
  • Humidity: 77%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 19h
  • 25°C
  • Feels like:
    28°C
Cloudy
Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 5km/hNNW 337°
  • Humidity: 83%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 25°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 4km/hN 353°
  • Humidity: 84%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 25°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 4km/hNNW 344°
  • Humidity: 87%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 25°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 3km/hN 351°
  • Humidity: 88%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 24°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 3km/hN 350°
  • Humidity: 89%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Today, a combination of overcast and lightning-active weather is predicted.
Rainfall is expected from 9h to 12h and at 15h. With moderate precipitation of 7mm, the most intense rain will be falling at 9h and 10h.
The temperature will vary between a minimum of 24°C and a maximum of 27°C. The warmest part of the day will be from 11h to 17h.
Today, the high temperature is expected to be more alike with November than to October's average of 35.7°C. The temperature low is forecasted to be alike with the usual October value of 23.1°C.
Updated: Oct 18, 2026 @ 11:41:01 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (08:41 -03) it is 25°C in Monte Alegre do Piauí.

On Sunday, the potential for thunderstorms remains.

With a probability of 98%, moderate precipitation of 16mm is expected.

Today, the highest temperature will be 27°C, while the lowest temperature will be 23°C. The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 29°C.
The highest temperature today will be notably lower than the average maximum of 35.7°C in October. Today, the lowest temperature will be in line with the average low temperature.

On Sunday, in Monte Alegre do Piauí, sunrise was at 05:36 and sunset will be at 17:56 (-03).

In Monte Alegre do Piauí, the length of the day today will be 12h and 20min.