Weather forecast for tomorrowGrenville, Grenada

Weather forecast for tomorrow

Tuesday 20. Oct 2026

  • 31°C
  • 27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 2mm
  • Wind: 22km/hESE 119°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 05:56 AST
  • Sunset: 17:45 AST
  • ▼
Tomorrow, clouds and sunshine will create a dynamic sky throughout the day.
Minimal precipitation is anticipated. Day and night temperatures will present a subtle variation, fluctuating between a hot 31°C and a warm 27°C.
The maximum heat index, which integrates air moisture with ambient temperature, is assessed at a scorching 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: 9h - 15h 38°C.
Coldest hour: 6h 32°C.

Chance of precipitation

Highest chance: 15h - 18h 24%.

Hourly weather forecast

  • 0h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 14km/hESE 112°
  • 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: 12km/hESE 110°
  • Humidity: 84%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 4h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 11km/hESE 106°
  • Humidity: 85%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:56
  • 6h
  • 28°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 12km/hESE 104°
  • Humidity: 86%
  • Pressure: 1010mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 8h
  • 30°C
  • Feels like:
    36°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 18km/hESE 112°
  • Humidity: 78%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 10h
  • 31°C
  • Feels like:
    38°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 21km/hESE 121°
  • Humidity: 75%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 12h
  • 31°C
  • Feels like:
    38°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 21km/hSE 126°
  • Humidity: 74%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 31°C
  • Feels like:
    38°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 22km/hSE 124°
  • Humidity: 75%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 16h
  • 30°C
  • Feels like:
    37°C
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 1mm
  • Wind: 20km/hESE 122°
  • Humidity: 76%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
Sunset: 17:45
  • 18h
  • 28°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 18km/hESE 114°
  • Humidity: 84%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 28°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 17km/hESE 107°
  • Humidity: 85%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 28°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 17km/hESE 111°
  • Humidity: 85%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Tomorrow, primarily dull and occasionally rain-filled weather is forecasted.
With a 32% probability, minimal rainfall is predicted at midnight.
The temperature will vary between the lowest temperature of 27°C and the highest temperature 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 from 9h to 14h.
Updated: Oct 19, 2026 @ 18:28:58 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Tuesday, sunlight and clouds will take turns dominating the sky.

Tomorrow, there is a low chance of minimal precipitation in Grenville.

Tomorrow, the highest temperature will be 31°C, while the lowest temperature will be 27°C. The maximum heat index, which integrates air moisture with ambient temperature, is computed to be 40°C.
The highest temperature will be notably higher than the average maximum of 0°C in October. The lowest temperature will be also noticeably higher than the average low of 0°C.

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

In Grenville, tomorrow, there will be 11h and 49min of daylight.