Weather forecast for tomorrowGuinea Grass, Belize

Weather forecast for tomorrow

Wednesday 21. Oct 2026

  • 31°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 82%
  • Precipitation: 5mm
  • Wind: 11km/hNNE 20°
  • Humidity: 81%
  • UV index: 8
  • Sunrise: 05:49 CST
  • Sunset: 17:28 CST
  • ▼
On Wednesday, in Guinea Grass, thunderstorms may form in the afternoon with sudden rainfall.
The likelihood of precipitation for tomorrow is high. However, the rain will be light. The maximum temperature will be a humid 31°C, while the minimum temperature will be a warm 23°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be a blistering 41°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The anticipated high temperature will align with October's average of 29.6°C.
Sunrise will be at 05:49 and sunset at 17:28; tomorrow's daylight will last for 11h and 39min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 37°C.
Coldest hour: 0h 24°C.

Chance of precipitation

Highest chance: 15h 82%.

Hourly weather forecast

  • 0h
  • 24°C
  • Feels like:
    24°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 2km/hNNW 338°
  • Humidity: 100%
  • Pressure: 1012mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 2h
  • 24°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 3km/hNNW 343°
  • Humidity: 99%
  • Pressure: 1011mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 4h
  • 24°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 5km/hNNW 338°
  • Humidity: 100%
  • Pressure: 1012mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunrise: 05:49
  • 6h
  • 24°C
  • Feels like:
    27°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 5km/hNNW 334°
  • Humidity: 100%
  • Pressure: 1012mbar
  • Visibility: 3km
  • UV index: 0
  • ▼
  • 8h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 6km/hN 350°
  • Humidity: 91%
  • Pressure: 1013mbar
  • Visibility: 12km
  • UV index: 2
  • ▼
  • 10h
  • 29°C
  • Feels like:
    35°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Wind: 7km/hN 9°
  • Humidity: 77%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 12h
  • 31°C
  • Feels like:
    37°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 8km/hNNE 22°
  • Humidity: 70%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 14h
  • 31°C
  • Feels like:
    37°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 52%
  • Precipitation: 1mm
  • Wind: 10km/hNNE 28°
  • Humidity: 71%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 16h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Precip. probability: 66%
  • Precipitation: 1mm
  • Wind: 9km/hNE 46°
  • Humidity: 84%
  • Pressure: 1010mbar
  • Visibility: 10km
  • UV index: 1
  • ▼
Sunset: 17:28
  • 18h
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 6km/hNE 43°
  • Humidity: 93%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 25°C
  • Feels like:
    28°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 3km/hNNE 26°
  • Humidity: 97%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 24°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 3km/hNNW 334°
  • Humidity: 100%
  • Pressure: 1013mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
Tomorrow, primarily gloomy and occasionally thunderstorm-prone weather is anticipated.
Rain is expected from 13h to 17h. With light precipitation of 2mm, most rainfall is expected at 15h.
The temperature will be between the lowest temperature of 24°C and the highest temperature of 31°C. The feels-like temperature will be between the lowest temperature of 24°C and the highest temperature of 37°C. The hottest part of the day will be from 12h to 14h.
The maximum temperature will be in line with the average high of 29.6°C in October. The minimum temperature will be also resembling October's average low of 23.9°C.
Updated: Oct 21, 2026 @ 01:16:47 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, passing thunderstorms may develop after midday.

Light precipitation of 5mm is predicted. The chance of rainfall is high at 82%.

Tomorrow, the highest temperature will be 31°C, while the lowest temperature will be 23°C. The maximum heat index, which combines air temperature and relative humidity, is estimated at 41°C.
The maximum temperature will be in line with the average highest temperature of 29.6°C in October. The lowest temperature will be also in line with the average low of 23.9°C.

On Wednesday, in Guinea Grass, sunrise will be at 05:49 and sunset at 17:28 (CST).

Tomorrow, the daylight will last for 11h and 39min.