Weather forecast for tomorrowLancaster, Guyana

Weather forecast for tomorrow

Tuesday 20. Oct 2026

  • 35°C
  • 23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 14km/hE 80°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 05:38 -04
  • Sunset: 17:36 -04
  • ▼
Tomorrow, in Lancaster, patchy clouds will move across the sky, allowing for sunshine at times.
Rain is not predicted. The temperature variation is anticipated to range from a maximum of a fiery hot 35°C to a minimum of a moderately hot 23°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is appraised at a life-threatening 49°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The high is forecasted to coincide with October's normal of 33.5°C.
Sunrise will be at 05:38 and sunset at 17:36; tomorrow's daylight will last for 11h and 58min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 40°C.
Coldest hour: 6h 26°C.

Chance of precipitation

Highest chance: 15h 32%.

Hourly weather forecast

  • 0h
  • 25°C
  • Feels like:
    28°C
Clear
Clear
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 4km/hNE 54°
  • Humidity: 97%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 2h
  • 24°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 2km/hNNW 328°
  • Humidity: 99%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 4h
  • 24°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 2km/hWSW 243°
  • Humidity: 100%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunrise: 05:38
  • 6h
  • 23°C
  • Feels like:
    26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 3km/hWSW 255°
  • Humidity: 100%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 8h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 7km/hE 89°
  • Humidity: 87%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 31°C
  • Feels like:
    38°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 12km/hE 97°
  • Humidity: 66%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 12h
  • 33°C
  • Feels like:
    40°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 12km/hE 88°
  • Humidity: 56%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 34°C
  • Feels like:
    40°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 11km/hE 80°
  • Humidity: 54%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 16h
  • 32°C
  • Feels like:
    39°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 14km/hENE 64°
  • Humidity: 61%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
Sunset: 17:36
  • 18h
  • 29°C
  • Feels like:
    35°C
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 12km/hNE 44°
  • Humidity: 74%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 10km/hNE 46°
  • Humidity: 85%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    30°C
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 8km/hNE 49°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Tomorrow, on Tuesday, weather will be unstable, and a combination of primarily cloudy and occasionally stormy, rain-filled and sunny weather is forecasted.
With a 32% probability, minimal rainfall is anticipated around midnight.
The temperature will be between a minimum of 23°C and a maximum of 34°C. The feels-like temperature will vary between a minimum of 26°C and a maximum of 40°C. The hottest part of the day will be at 13h and 14h.
The maximum temperature will be similar to October's average highest temperature of 33.5°C. The minimum temperature will be also in line with October's average low of 22.7°C.
Updated: Oct 19, 2026 @ 18:28:08 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Tuesday, a mix of clouds and blue sky is expected.

No, it will not rain tomorrow in Lancaster.

Tomorrow, the highest temperature will be 35°C, while the lowest temperature will be 23°C. The maximum heat index, which combines air temperature and relative humidity, is appraised at 49°C.
The maximum temperature will be in line with the average highest temperature of 33.5°C in October. The lowest temperature will be also in line with the average low of 22.7°C.

On Tuesday, in Lancaster, sunrise will be at 05:38 and sunset at 17:36 (-04).

In Lancaster, tomorrow, there will be 11h and 58min of daylight.