Weather forecast for todaySanta Isabel do Rio Negro, Brazil

Weather forecast for today

Current condition 08:50 -04

  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 6km/hESE 120°
  • Humidity: 89%
  • Dewpoint: 25°C
  • Pressure: 1011.85mbar
  • Visibility: 16.09km
  • UV index: 5
  • ▼
At the moment, in Santa Isabel do Rio Negro, the sky remains mainly cloudy, with little sunshine peeking through.
The temperature is a moderately hot 27°C, while the real-feel temperature, which modifies the air temperature to account for humidity, is calculated to be a hot 31°C. The current temperature is only a few degrees off the highest temperature for today.

Tuesday 20. Oct 2026

  • 30°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 77%
  • Precipitation: 2mm
  • Wind: 10km/hESE 110°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 06:01 -04
  • Sunset: 18:08 -04
  • ▼
Today, in Santa Isabel do Rio Negro, stormy skies and lightning strikes are expected later today.
Minimal precipitation is forecasted. The temperature scale will run from a maximum of a blazing 30°C to a minimum of a warm 24°C.
The maximum heat index, which combines relative humidity and air temperature, is evaluated at a fiery hot 37°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The high temperature will be a couple of degrees lower than the typical October level 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 period: 13h - 15h 36°C.
Coldest period: 21h - 23h 29°C.

Chance of precipitation

Highest chance: 15h 77%.

Hourly weather forecast

  • 9h
  • 27°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 6km/hESE 117°
  • Humidity: 89%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 10h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 6km/hESE 110°
  • Humidity: 84%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 10
  • ▼
  • 11h
  • 29°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 6km/hESE 105°
  • Humidity: 81%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 12h
  • 29°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 7km/hESE 123°
  • Humidity: 78%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 13h
  • 30°C
  • Feels like:
    36°C
Thunderstorms
Thunderstorms
  • Precip. probability: 67%
  • Precipitation: 1mm
  • Wind: 8km/hSE 130°
  • Humidity: 76%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 30°C
  • Feels like:
    36°C
Thunderstorms
Thunderstorms
  • Precip. probability: 71%
  • Precipitation: 1mm
  • Wind: 8km/hSE 134°
  • Humidity: 74%
  • Pressure: 1007mbar
  • Visibility: 10km
  • UV index: 7
  • ▼
  • 15h
  • 30°C
  • Feels like:
    36°C
Thunderstorms
Thunderstorms
  • Precip. probability: 77%
  • Precipitation: 1mm
  • Wind: 9km/hESE 117°
  • Humidity: 73%
  • Pressure: 1007mbar
  • Visibility: 10km
  • UV index: 5
  • ▼
  • 16h
  • 29°C
  • Feels like:
    34°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 9km/hE 89°
  • Humidity: 76%
  • Pressure: 1006mbar
  • Visibility: 14km
  • UV index: 3
  • ▼
  • 17h
  • 29°C
  • Feels like:
    34°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 10km/hENE 78°
  • Humidity: 79%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 18h
  • 28°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 9km/hE 93°
  • Humidity: 84%
  • 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: 86%
  • 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: 88%
  • 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 64°
  • Humidity: 89%
  • 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
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 5km/hNE 55°
  • Humidity: 91%
  • Pressure: 1010mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
Today, a combination of overcast and unstable weather is predicted.
With minimal precipitation of 1mm, rainfall is forecasted from 13h to 16h.
The temperature will vary between a maximum of 30°C and a minimum of 26°C. The feels-like temperature will be between a minimum of 29°C and a maximum of 36°C. The hottest part of the day will be from 13h to 15h.
The forecasted high will be a few degrees lower than the typical October maximum of 33.4°C. The night temperature will be also similar to the standard October low of 23.3°C.
Updated: Oct 20, 2026 @ 12:50:59 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 08:50 -04, the temperature is 27°C. Feels-like temperature is 31°C.

On Tuesday, in Santa Isabel do Rio Negro, rain with scattered lightning is expected during the afternoon.

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

Today, the maximum temperature will be 30°C, while the minimum temperature will be 24°C. The maximum heat index, which indicates how humid air affects the felt temperature, is evaluated at 37°C.
The maximum temperature will be a few degrees lower than the average highest temperature 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).

Today, the daylight will last for 12h and 8min.