Weather forecast for todayRialma, Brazil

Weather forecast for today

Current condition 00:39 -03

  • 24°C
  • Feels like:
    24°C
Clear
Clear
  • Precipitation: 0mm
  • Wind: 6km/hS 190°
  • Humidity: 84%
  • Dewpoint: 21°C
  • Pressure: 1011.51mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
In Rialma, at the moment, perfect weather prevails with no clouds and a clear sky overhead.
The temperature is a warm 24°C. The current temperature is relatively far from the maximum of 34°C forecasted for today.

Sunday 18. Oct 2026

  • 34°C
  • 21°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 15km/hSSW 206°
  • Humidity: 52%
  • UV index: 11
  • Sunrise: 05:49 -03
  • Sunset: 18:17 -03
  • ▼
On Sunday, in Rialma, mostly clear skies and sunshine will create ideal daytime conditions.
Temperature span will be from a high of a tropical 34°C to a low of a delightful 21°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at a fiery hot 39°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The daily maximum temperature is anticipated to be a couple of degrees higher than October's climate average of 31.5°C.
Sunrise will be at 05:49 and sunset at 18:17; the daylight will last for 12h and 29min.

Hourly overview

Hourly temperatures

Warmest hour: 13h 36°C.
Coldest period: 4h - 7h 23°C.

Chance of precipitation

Highest chance: 13h 8%.

Hourly weather forecast

  • 2h
  • 24°C
  • Feels like:
    24°C
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hSSW 197°
  • Humidity: 86%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 4h
  • 23°C
  • Feels like:
    23°C
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hS 186°
  • Humidity: 87%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:49
  • 6h
  • 22°C
  • Feels like:
    22°C
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 7km/hS 188°
  • Humidity: 86%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 25°C
  • Feels like:
    27°C
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 10km/hS 175°
  • Humidity: 72%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 29°C
  • Feels like:
    32°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 12km/hS 174°
  • Humidity: 56%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 10
  • ▼
  • 12h
  • 32°C
  • Feels like:
    35°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 13km/hSW 217°
  • Humidity: 46%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 33°C
  • Feels like:
    36°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 15km/hSW 227°
  • Humidity: 43%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 10
  • ▼
  • 16h
  • 33°C
  • Feels like:
    35°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 15km/hSW 228°
  • Humidity: 40%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 18h
  • 31°C
  • Feels like:
    33°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 13km/hSW 218°
  • Humidity: 45%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:17
  • 20h
  • 28°C
  • Feels like:
    30°C
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 9km/hSSW 209°
  • Humidity: 57%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    28°C
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 7km/hSSW 194°
  • Humidity: 63%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, in Rialma, a combination of mostly clear and dull weather is forecasted.
The temperature will vary between a maximum of 33°C and a minimum of 22°C. The hottest part of the day will be from 13h to 17h.
The high will be slightly warmer than the normal maximum of 31.5°C for October. The lowest temperature today will be also resembling October's average minimum.
Updated: Oct 18, 2026 @ 03:39:44 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (00:39 -03) it is 24°C in Rialma.

Today, in Rialma, sunshine will dominate, with only occasional cloud cover.

Today, the highest temperature will be 34°C, while the lowest temperature will be 21°C. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 39°C.
Today, the maximum temperature will be a few degrees higher than the average highest temperature in October. The lowest temperature today will be in line with the average low temperature.

On Sunday, in Rialma, sunrise will be at 05:49 and sunset at 18:17 (-03).

Today, the daylight will last for 12h and 29min.