Weather forecast for tomorrowGrenville, Grenada

Weather forecast for tomorrow

Tuesday 20. Oct 2026

  • 31°C
  • 27°C
AM Showers
AM Showers
  • Precip. probability: 37%
  • Precipitation: 4mm
  • Wind: 21km/hESE 120°
  • Humidity: 77%
  • UV index: 10
  • Sunrise: 05:56 AST
  • Sunset: 17:45 AST
  • ▼
Tomorrow, rain showers will likely move through during the early hours.
The likelihood of rain is low, and light precipitation is forecasted. Minor temperature variations are expected, peaking at a maximum of a humid 31°C and dropping to a minimum of a warm 27°C.
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at a blistering 40°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.
Sunrise will be at 05:56 and sunset at 17:45; tomorrow's daylight will last for 11h and 49min.

Hourly overview

Hourly temperatures

Warmest period: 12h - 15h 38°C.
Coldest period: 3h - 6h 32°C.

Chance of precipitation

Highest chance: 6h 38%.

Hourly weather forecast

  • 0h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 14km/hESE 117°
  • Humidity: 84%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 2h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 11km/hESE 112°
  • Humidity: 83%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 4h
  • 28°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 11km/hESE 105°
  • Humidity: 84%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:56
  • 6h
  • 27°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 1mm
  • Wind: 12km/hESE 105°
  • Humidity: 87%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 8h
  • 30°C
  • Feels like:
    36°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 17km/hESE 112°
  • Humidity: 78%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 10h
  • 31°C
  • Feels like:
    38°C
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 2mm
  • Wind: 21km/hESE 121°
  • Humidity: 75%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 7
  • ▼
  • 12h
  • 31°C
  • Feels like:
    38°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Wind: 20km/hSE 129°
  • Humidity: 75%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 10
  • ▼
  • 14h
  • 31°C
  • Feels like:
    38°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 21km/hSE 125°
  • Humidity: 75%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 16h
  • 30°C
  • Feels like:
    37°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 19km/hESE 121°
  • Humidity: 76%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
Sunset: 17:45
  • 18h
  • 28°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 18km/hESE 113°
  • Humidity: 84%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 28°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 17km/hESE 108°
  • Humidity: 84%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 28°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 16km/hESE 110°
  • Humidity: 84%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Tomorrow, primarily dull and occasionally wet weather is anticipated.
Rain is expected at 6h, 10h and 11h. With light precipitation of 2mm, most rainfall is expected at 10h.
The temperature will vary between a minimum of 27°C and a maximum of 31°C. The feels-like temperature will vary between a minimum of 32°C and a maximum of 38°C. The hottest part of the day will be at 10h, and from 12h to 15h.
Updated: Oct 19, 2026 @ 21:58:45 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, patchy morning showers will bring occasional rain.

Light precipitation of 4mm is anticipated. The possibility of rainfall is 37%.

Tomorrow, the maximum temperature will be 31°C, while the minimum temperature will be 27°C. The maximum heat index, which combines air temperature and relative humidity, is appraised at 40°C.
The maximum temperature will be noticeably higher than the average highest temperature of 0°C in October. The lowest temperature will be also significantly higher than the average low of 0°C.

On Tuesday, in Grenville, sunrise will be at 05:56 and sunset at 17:45 (AST).

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