Weather forecast for todayPiau, Brazil

Weather forecast for today

Current condition 01:24 -03

  • 19°C
  • Feels like:
    19°C
Rain Shower
Rain Shower
  • Precipitation: 0mm
  • Wind: 5km/hSW 220°
  • Humidity: 92%
  • Dewpoint: 18°C
  • Pressure: 1011.85mbar
  • Visibility: 11.27km
  • UV index: 0
  • ▼
In Piau, at the moment, a short-lived rain shower is cooling things down.
The temperature is a comfortable 19°C. The current temperature is at the minimum predicted for today.

Sunday 18. Oct 2026

  • 30°C
  • 19°C
AM Showers
AM Showers
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Wind: 12km/hWNW 292°
  • Humidity: 65%
  • UV index: 11
  • Sunrise: 05:19 -03
  • Sunset: 17:57 -03
  • ▼
On Sunday, in Piau, spotty morning showers could bring light rainfall.
Minimal precipitation is anticipated for today. The maximum forecasted temperature is a tropical 30°C, while the minimum temperature will be a comfortable 19°C.
The maximum heat index, which integrates air moisture with ambient temperature, is appraised at a hot 34°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The day’s highest temperature is forecasted to be a couple of degrees higher than the standard October average of 25.1°C.
Sunrise will be at 05:19 and sunset at 17:57; the daylight will last for 12h and 38min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 31°C.
Coldest period: 2h - 5h 19°C.

Chance of precipitation

Highest chance: 11h 39%.

Hourly weather forecast

  • 2h
  • 19°C
  • Feels like:
    19°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 5km/hSW 227°
  • Humidity: 92%
  • Pressure: 1011mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 4h
  • 19°C
  • Feels like:
    19°C
Showers
Showers
  • Precip. probability: 57%
  • Precipitation: 1mm
  • Wind: 4km/hSSW 210°
  • Humidity: 94%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunrise: 05:19
  • 6h
  • 19°C
  • Feels like:
    19°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 4km/hWSW 237°
  • Humidity: 94%
  • Pressure: 1012mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
  • 8h
  • 21°C
  • Feels like:
    21°C
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 6km/hN 0°
  • Humidity: 87%
  • Pressure: 1013mbar
  • Visibility: 13km
  • UV index: 2
  • ▼
  • 10h
  • 25°C
  • Feels like:
    27°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 7km/hN 352°
  • Humidity: 73%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 9
  • ▼
  • 12h
  • 28°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 8km/hNW 315°
  • Humidity: 60%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 30°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 11km/hWSW 252°
  • Humidity: 50%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 16h
  • 29°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 12km/hSW 234°
  • Humidity: 51%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
Sunset: 17:57
  • 18h
  • 25°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 12km/hSSW 195°
  • Humidity: 69%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 23°C
  • Feels like:
    23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 12km/hSSW 198°
  • Humidity: 81%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 21°C
  • Feels like:
    21°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 12km/hSSW 203°
  • Humidity: 89%
  • Pressure: 1014mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
Today, primarily cloudy and occasionally damp weather is anticipated.
With minimal precipitation of 1mm, rainfall is anticipated at 4h, 10h and 11h.
The temperature will be between a minimum of 19°C and a maximum of 30°C. The hottest part of the day will be at 14h and 15h.
The highest temperature today will be slightly warmer than October's typical maximum temperature. The minimum temperature today will be also a few degrees higher than October's average low.
Updated: Oct 18, 2026 @ 04:24:21 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (01:24 -03) is 19°C.

On Sunday, expect a few brief rain showers in the morning hours.

Today, there is a low chance of minimal precipitation in Piau.

Today, the maximum temperature will be 30°C, while the minimum temperature will be 19°C. The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be 34°C.
The maximum temperature will be relatively higher than the average highest temperature of 25.1°C in October. Today, the lowest temperature will be also a few degrees higher than the average low temperature.

On Sunday, in Piau, sunrise will be at 05:19 and sunset at 17:57 (-03).

Today in Piau, the daylight will last for 12h and 38min.