Weather forecast for tomorrowRianápolis, Brazil

Weather forecast for tomorrow

Wednesday 28. Oct 2026

  • 29°C
  • 22°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 48%
  • Precipitation: 9mm
  • Wind: 12km/hE 90°
  • Humidity: 76%
  • UV index: 7
  • Sunrise: 05:43 -03
  • Sunset: 18:20 -03
  • ▼
On Wednesday, in Rianápolis, scattered thunderstorms may occur, especially in the afternoon, bringing periods of rain and lightning.
The chance of rain for tomorrow is low, and light precipitation is predicted. A temperature range of a moderately hot 29°C to an agreeable 22°C is anticipated.
The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be a humid 34°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The forecasted temperature is relatively lower than October's regular maximum of 31.5°C.
Sunrise will be at 05:43 and sunset at 18:20; tomorrow's daylight will last for 12h and 37min.

Hourly overview

Hourly temperatures

Warmest hour: 15h 31°C.
Coldest hour: 6h 24°C.

Chance of precipitation

Highest chance: 3h 77%.

Hourly weather forecast

  • 0h
  • 24°C
  • Feels like:
    27°C
Thunderstorms
Thunderstorms
  • Precip. probability: 73%
  • Precipitation: 2mm
  • Wind: 9km/hSE 134°
  • Humidity: 87%
  • Pressure: 1014mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 2h
  • 24°C
  • Feels like:
    26°C
Thunderstorms
Thunderstorms
  • Precip. probability: 76%
  • Precipitation: 2mm
  • Wind: 7km/hSE 143°
  • Humidity: 90%
  • Pressure: 1013mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 4h
  • 23°C
  • Feels like:
    24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 74%
  • Precipitation: 2mm
  • Wind: 7km/hSSE 148°
  • Humidity: 94%
  • Pressure: 1014mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunrise: 05:43
  • 6h
  • 22°C
  • Feels like:
    24°C
Showers
Showers
  • Precip. probability: 54%
  • Precipitation: 1mm
  • Wind: 6km/hSE 140°
  • Humidity: 94%
  • Pressure: 1015mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 8h
  • 24°C
  • Feels like:
    26°C
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 1mm
  • Wind: 9km/hE 101°
  • Humidity: 89%
  • Pressure: 1016mbar
  • Visibility: 11km
  • UV index: 1
  • ▼
  • 10h
  • 26°C
  • Feels like:
    28°C
Few Showers
Few Showers
  • Precip. probability: 30%
  • Precipitation: 1mm
  • Wind: 11km/hE 84°
  • Humidity: 79%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 12h
  • 27°C
  • Feels like:
    30°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 11km/hENE 68°
  • Humidity: 72%
  • Pressure: 1015mbar
  • Visibility: 14km
  • UV index: 7
  • ▼
  • 14h
  • 28°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 9km/hENE 69°
  • Humidity: 68%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 16h
  • 28°C
  • Feels like:
    31°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 45%
  • Precipitation: 1mm
  • Wind: 8km/hESE 101°
  • Humidity: 66%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 1
  • ▼
  • 18h
  • 27°C
  • Feels like:
    29°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Wind: 6km/hESE 117°
  • Humidity: 74%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunset: 18:20
  • 20h
  • 25°C
  • Feels like:
    28°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 6km/hESE 107°
  • Humidity: 82%
  • Pressure: 1013mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 22h
  • 24°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 5km/hESE 114°
  • Humidity: 88%
  • Pressure: 1014mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Tomorrow, a combination of overcast, storm-filled and showery weather is forecasted.
Rain is forecasted from midnight to 8h, and from 10h to 13h, and from 16h to 19h. The most intense rain will be falling from midnight to 4h and at 7h.
The temperature will be between a minimum of 22°C and a maximum of 28°C. The warmest part of the day will be from 13h to 17h.
The highest temperature will be a few degrees lower than October's average maximum of 31.5°C. The lowest temperature is also alike with October's typical minimum of 21°C.
Updated: Oct 27, 2026 @ 07:55:15 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Rianápolis, expect scattered thunderstorms with occasional breaks in the rain.

Light precipitation of 9mm is anticipated. The chance of rainfall is 48%.

Tomorrow, the highest temperature will be 29°C, while the lowest temperature will be 22°C. The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be 34°C.
The maximum temperature will be moderately lower than the average highest temperature of 31.5°C in October. The lowest temperature will be in line with the average low of 21°C.

On Wednesday, in Rianápolis, sunrise will be at 05:43 and sunset at 18:20 (-03).

In Rianápolis, tomorrow, there will be 12h and 37min of daylight.