Weather forecast for todaySanta Isabel do Rio Negro, Brazil

Weather forecast for today

Current condition 11:58 -04

  • 29°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 6km/hESE 120°
  • Humidity: 79%
  • Dewpoint: 25°C
  • Pressure: 1010.5mbar
  • Visibility: 16.09km
  • UV index: 11
  • ▼
In Santa Isabel do Rio Negro, currently, the weather is mostly cloudy, with only a few breaks of sunshine.
The temperature is a warm 29°C, and the apparent temperature of which combines relative humidity and air temperature comes in at appraised at a fiery hot 35°C. The current temperature is almost at the maximum of today's expected 30°C.

Tuesday 20. Oct 2026

  • 30°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 82%
  • Precipitation: 3mm
  • Wind: 9km/hESE 109°
  • Humidity: 78%
  • UV index: 10
  • Sunrise: 06:01 -04
  • Sunset: 18:08 -04
  • ▼
Today, on Tuesday, 20th of October, rumbles of thunder are likely.
Minimal precipitation is forecasted. Temperatures will oscillate between a blazing 30°C at their highest and a moderately hot 24°C at their lowest.
The maximum heat index, which combines relative humidity and air 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.
The day’s top temperature is expected to be moderately lower than the typical October high of 33.4°C.
Sunrise was at 06:01 and sunset will be at 18:08; the daylight will last for 12h and 8min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 36°C.
Coldest hour: 2h 28°C.

Chance of precipitation

Highest chance: 14h 87%.

Hourly weather forecast

  • 12h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 1mm
  • Wind: 7km/hESE 121°
  • Humidity: 78%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 7
  • ▼
  • 13h
  • 30°C
  • Feels like:
    36°C
Thunderstorms
Thunderstorms
  • Precip. probability: 69%
  • Precipitation: 1mm
  • Wind: 8km/hSE 131°
  • Humidity: 76%
  • Pressure: 1009mbar
  • Visibility: 10km
  • UV index: 10
  • ▼
  • 14h
  • 30°C
  • Feels like:
    36°C
Thunderstorms
Thunderstorms
  • Precip. probability: 87%
  • Precipitation: 2mm
  • Wind: 8km/hSE 134°
  • Humidity: 75%
  • Pressure: 1007mbar
  • Visibility: 10km
  • UV index: 7
  • ▼
  • 15h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Precip. probability: 79%
  • Precipitation: 1mm
  • Wind: 9km/hESE 118°
  • Humidity: 80%
  • Pressure: 1007mbar
  • Visibility: 10km
  • UV index: 5
  • ▼
  • 16h
  • 28°C
  • Feels like:
    33°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 0mm
  • Wind: 9km/hE 90°
  • Humidity: 80%
  • Pressure: 1006mbar
  • Visibility: 11km
  • UV index: 3
  • ▼
  • 17h
  • 29°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 9km/hENE 79°
  • Humidity: 79%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 18h
  • 28°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 9km/hE 93°
  • Humidity: 83%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:08
  • 19h
  • 27°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 7km/hENE 57°
  • Humidity: 85%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 6km/hENE 67°
  • Humidity: 89%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 26°C
  • Feels like:
    29°C
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 6km/hENE 63°
  • Humidity: 88%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    29°C
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 6km/hENE 63°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 26°C
  • Feels like:
    29°C
Mostly Clear
Mostly Clear
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 5km/hNE 54°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
Today, a combination of stormy and cloudy weather is anticipated.
Rainfall is forecasted from 12h to 15h. With light precipitation of 2mm, most rainfall is expected at 14h.
The temperature will be between a minimum of 26°C and a maximum of 30°C. The feels-like temperature will vary between a minimum of 29°C and a maximum of 36°C. The hottest part of the day will be at 13h and 14h.
The high will be relatively lower than the normal maximum of 33.4°C for October. The expected low will be also in line with the average minimum in October, which is 23.3°C.
Updated: Oct 20, 2026 @ 15:58:49 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 11:58 -04 is 29°C. Feels-like temperature is 35°C.

On Tuesday, wet and stormy weather is expected.

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

Today, the highest temperature will be 30°C, while the lowest temperature will be 24°C. The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 37°C.
The highest temperature will be relatively lower than the average maximum of 33.4°C in October. The lowest temperature will be in line with the average low of 23.3°C.

On Tuesday, in Santa Isabel do Rio Negro, sunrise was at 06:01 and sunset will be at 18:08 (-04).

In Santa Isabel do Rio Negro, Brazil, today, there will be 12h and 8min of daylight.