Weather forecast for 10 daysJoanna, Guyana

Weather forecast for the weekend

Sunday 25. Oct 2026

  • 32°C
  • 26°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 23km/hENE 68°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 05:34 -04
  • Sunset: 17:31 -04
  • ▼
On Sunday, in Joanna, predominantly sunny weather will make for pleasant outdoor conditions.
Temperatures are anticipated to range from a maximum of a hot 32°C to a minimum of a temperate 26°C.
The maximum heat index, which combines air temperature and relative humidity, is calculated to be a blisteringly hot 40°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.
This forecasted maximum temperature is expected to mirror October's typical high of 30.7°C.
Sunrise will be at 05:34 and sunset at 17:31; tomorrow's daylight will last for 11h and 56min.

10-day overview

Daily temperatures

Warmest period: tomorrow - Monday 32°C.
Coldest period: tomorrow - Monday 32°C.

Chance of precipitation

Highest chance: Monday 02.11. 31%.

Long-term weather forecast

  • Saturday
  • 24. Oct 2026
  • min.
  • 26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 14km/hENE 58°
  • Humidity: 87%
  • UV index: 0
  • Sunrise: 05:34 -04
  • Sunset: 17:31 -04
  • ▼
  • Sunday
  • 25. Oct 2026
  • 32°C
  • 26°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 23km/hENE 68°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 05:34 -04
  • Sunset: 17:31 -04
  • ▼
  • Monday
  • 26. Oct 2026
  • 32°C
  • 26°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 22km/hENE 66°
  • Humidity: 69%
  • UV index: 11
  • Sunrise: 05:34 -04
  • Sunset: 17:31 -04
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 32°C
  • 26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 21km/hENE 62°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 05:35 -04
  • Sunset: 17:30 -04
  • ▼
  • Wednesday
  • 28. Oct 2026
  • 32°C
  • 26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 21km/hENE 63°
  • Humidity: 71%
  • UV index: 11
  • Sunrise: 05:35 -04
  • Sunset: 17:30 -04
  • ▼
  • Thursday
  • 29. Oct 2026
  • 32°C
  • 26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 21km/hENE 69°
  • Humidity: 72%
  • UV index: 11
  • Sunrise: 05:35 -04
  • Sunset: 17:30 -04
  • ▼
  • Friday
  • 30. Oct 2026
  • 32°C
  • 26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 23km/hENE 72°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 05:35 -04
  • Sunset: 17:30 -04
  • ▼
  • Saturday
  • 31. Oct 2026
  • 32°C
  • 26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 23km/hENE 67°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 05:35 -04
  • Sunset: 17:30 -04
  • ▼
  • Sunday
  • 1. Nov 2026
  • 32°C
  • 25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 22km/hENE 68°
  • Humidity: 72%
  • UV index: 11
  • Sunrise: 05:35 -04
  • Sunset: 17:29 -04
  • ▼
  • Monday
  • 2. Nov 2026
  • 32°C
  • 25°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 31%
  • Precipitation: 2mm
  • Wind: 22km/hENE 70°
  • Humidity: 72%
  • UV index: 11
  • Sunrise: 05:35 -04
  • Sunset: 17:29 -04
  • ▼
During the ten-day period, primarily cloudy and occasionally sunny and stormy weather is expected.
With a 31% probability, rainfall is forecasted only for next Monday. The precipitation will be minimal at 2mm.
In the coming days, the high will remain stable at 32°C, showing no signs of change, while the lowest nighttime temperatures will be also relatively consistent, as the lowest temperatures will remain in the range of 25°C to 26°C.
Combining with the humidity, the maximum feel-like temperature may increase substantially and range between a torridly hot 40°C and a blistering 41°C.
Updated: Oct 24, 2026 @ 23:00:20 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Joanna, mostly sunny weather is likely, with high visibility.

Tomorrow, the highest temperature will be 32°C, while the lowest temperature will be 26°C. The maximum heat index, which combines air temperature and relative humidity, is computed to be 40°C.
The maximum temperature will be in line with the average highest temperature of 30.7°C in October. The lowest temperature will be also in line with the average low of 25.9°C.

On Sunday, in Joanna, sunrise will be at 05:34 and sunset at 17:31 (-04).

Tomorrow, the daylight will last for 11h and 56min.