Weather forecast for todaySanta Isabel do Rio Negro, Brazil

Weather forecast for today

Current condition 02:01 -04

  • 24°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 3km/hNNE 30°
  • Humidity: 94%
  • Dewpoint: 23°C
  • Pressure: 1009.14mbar
  • Visibility: 11.27km
  • UV index: 0
  • ▼
At the moment, in Santa Isabel do Rio Negro, the sky features a blend of clouds and blue patches.
The temperature is a temperate 24°C. The current temperature is near the lowest expected 25°C for today.

Wednesday 21. Oct 2026

  • 33°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 36%
  • Precipitation: 0mm
  • Wind: 10km/hE 92°
  • Humidity: 74%
  • UV index: 11
  • Sunrise: 06:00 -04
  • Sunset: 18:08 -04
  • ▼
On Wednesday, 21st of October, expect thunderstorms and downpours in the afternoon.
Minimal precipitation is expected for today. The temperature will fluctuate from a high of a hot 33°C to a low of a warm 25°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is appraised at a searing 45°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted daytime maximum should align with the typical October high of 33.4°C.
Sunrise will be at 06:00 and sunset at 18:08; the daylight will last for 12h and 8min.

Hourly overview

Hourly temperatures

Warmest period: 12h - 15h 38°C.
Coldest period: 3h - 6h 24°C.

Chance of precipitation

Highest chance: 15h 36%.

Hourly weather forecast

  • 4h
  • 24°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 3km/hNNE 30°
  • Humidity: 97%
  • Pressure: 1009mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 6h
  • 24°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 3km/hENE 66°
  • Humidity: 98%
  • Pressure: 1010mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunrise: 06:00
  • 8h
  • 26°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 5km/hENE 72°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 29°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 8km/hE 81°
  • Humidity: 77%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 12h
  • 31°C
  • Feels like:
    38°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 8km/hE 100°
  • Humidity: 69%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 32°C
  • Feels like:
    39°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 37%
  • Precipitation: 1mm
  • Wind: 9km/hESE 105°
  • Humidity: 61%
  • Pressure: 1007mbar
  • Visibility: 11km
  • UV index: 11
  • ▼
  • 16h
  • 32°C
  • Feels like:
    38°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 10km/hE 93°
  • Humidity: 66%
  • Pressure: 1006mbar
  • Visibility: 14km
  • UV index: 3
  • ▼
  • 18h
  • 29°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 8km/hESE 111°
  • Humidity: 79%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:08
  • 20h
  • 27°C
  • Feels like:
    32°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 6km/hE 101°
  • Humidity: 87%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 5km/hESE 111°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, a combination of primarily cloud-filled and occasionally storm-filled and rain-soaked weather is anticipated.
With minimal precipitation of 1mm, rainfall is anticipated from 14h to 16h and at 23h.
The temperature will vary between the lowest temperature of 24°C and the highest temperature of 32°C. The feels-like temperature will be between the highest temperature of 39°C and the lowest temperature of 24°C. The hottest part of the day will be from 13h to 16h.
The forecasted high will be alike with the typical October maximum of 33.4°C. The night temperature will be also alike with the standard October low of 23.3°C.
Updated: Oct 21, 2026 @ 06:01:14 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 02:01 -04, the temperature is 24°C.

On Wednesday, thunderstorms and rainy conditions are forecasted for the afternoon.

Today, there is a low chance of minimal precipitation in Santa Isabel do Rio Negro.

Today, the highest temperature will be 33°C, while the lowest temperature will be 25°C. The maximum heat index, which combines relative humidity and air temperature, is calculated to be 45°C.
The highest temperature will be in line with the average maximum of 33.4°C in October. The lowest temperature will be also in line with the average low of 23.3°C.

On Wednesday, in Santa Isabel do Rio Negro, sunrise will be at 06:00 and sunset at 18:08 (-04).

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