Weather forecast for tomorrowCasseque, Guinea-Bissau

Weather forecast for tomorrow

Wednesday 21. Oct 2026

  • 31°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 57%
  • Precipitation: 9mm
  • Wind: 10km/hNW 314°
  • Humidity: 83%
  • UV index: 6
  • Sunrise: 06:51 GMT
  • Sunset: 18:41 GMT
  • ▼
Tomorrow, on Wednesday, expect scattered thunderstorms with occasional breaks in the rain.
With a high probability, light precipitation is anticipated. Temperature is predicted to swing from a high of a tropical 31°C to a low of a moderately hot 25°C.
The maximum heat index, which measures the combined effect of heat and moisture, is assessed at a blistering 42°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 is forecasted to match October's standard maximum of 32.9°C.
Sunrise will be at 06:51 and sunset at 18:41; tomorrow's daylight will last for 11h and 49min.

Hourly overview

Hourly temperatures

Warmest period: 12h - 15h 38°C.
Coldest hour: 6h 31°C.

Chance of precipitation

Highest chance: 15h 55%.

Hourly weather forecast

  • 0h
  • 27°C
  • Feels like:
    32°C
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 1mm
  • Wind: 12km/hWNW 285°
  • Humidity: 90%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 2h
  • 27°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Wind: 10km/hNW 311°
  • Humidity: 90%
  • Pressure: 1012mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
  • 4h
  • 27°C
  • Feels like:
    31°C
Showers
Showers
  • Precip. probability: 51%
  • Precipitation: 1mm
  • Wind: 9km/hNNW 333°
  • Humidity: 91%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 6h
  • 26°C
  • Feels like:
    31°C
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 9km/hNNW 337°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
Sunrise: 06:51
  • 8h
  • 27°C
  • Feels like:
    31°C
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 1mm
  • Wind: 9km/hN 351°
  • Humidity: 92%
  • Pressure: 1013mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 10h
  • 29°C
  • Feels like:
    35°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 8km/hN 9°
  • Humidity: 86%
  • Pressure: 1014mbar
  • Visibility: 14km
  • UV index: 4
  • ▼
  • 12h
  • 30°C
  • Feels like:
    38°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 37%
  • Precipitation: 1mm
  • Wind: 8km/hNNW 339°
  • Humidity: 79%
  • Pressure: 1014mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 14h
  • 31°C
  • Feels like:
    39°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 57%
  • Precipitation: 1mm
  • Wind: 10km/hW 275°
  • Humidity: 77%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 16h
  • 30°C
  • Feels like:
    38°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 50%
  • Precipitation: 1mm
  • Wind: 8km/hSW 233°
  • Humidity: 78%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 3
  • ▼
  • 18h
  • 29°C
  • Feels like:
    36°C
Showers
Showers
  • Precip. probability: 43%
  • Precipitation: 1mm
  • Wind: 7km/hWNW 297°
  • Humidity: 83%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunset: 18:41
  • 20h
  • 28°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 7km/hN 7°
  • Humidity: 90%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 27°C
  • Feels like:
    32°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 34%
  • Precipitation: 1mm
  • Wind: 8km/hENE 61°
  • Humidity: 91%
  • Pressure: 1015mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
Tomorrow, on Wednesday, a combination of overcast, rain-filled and unstable weather is predicted.
Rain is anticipated from midnight, 2h, and from 4h to 6h, 8h, 9h, and from 11h to 18h, 22h and at 23h. With light precipitation of 2mm, most rainfall is expected at 23h.
The temperature will vary between the lowest temperature of 26°C and the highest temperature of 31°C. The feels-like temperature will vary between the lowest temperature of 30°C and the highest temperature of 39°C. The hottest part of the day is anticipated around 14h.
The forecasted high will be in line with the typical October maximum of 32.9°C. The lowest temperature is also resembling October's typical minimum of 25.7°C.
Updated: Oct 20, 2026 @ 19:18:52 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Wednesday, scattered thunderstorms are expected, with a chance of isolated heavy downpours.

Light precipitation of 9mm is forecasted. The likelihood of rainfall is 57%.

Tomorrow, the highest temperature will be 31°C, while the lowest temperature will be 25°C. The maximum heat index, which modifies the air temperature to account for humidity, is assessed at 42°C.
The maximum temperature will be in line with the average highest temperature of 32.9°C in October. The lowest temperature will be also in line with the average low of 25.7°C.

On Wednesday, in Casseque, sunrise will be at 06:51 and sunset at 18:41 (GMT).

Tomorrow, the daylight will last for 11h and 49min.