Weather forecast for tomorrowGrenada

Weather forecast for tomorrow

Sunday 18. Oct 2026

  • 31°C
  • 26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 21km/hESE 109°
  • Humidity: 75%
  • UV index: 11
  • Sunrise: 05:57 AST
  • Sunset: 17:47 AST
  • ▼
Tomorrow, on Sunday, clouds and sunshine will alternate throughout the day.
Minor temperature shifts from a high of a humid 31°C to a low of a moderately hot 26°C are predicted.
The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at a fiery hot 39°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, the anticipated temperature will match October's typical high of 29.4°C.
Sunrise will be at 05:57 and sunset at 17:47; tomorrow's daylight will last for 11h and 50min.

Hourly overview

Hourly temperatures

Warmest period: 12h - 15h 38°C.
Coldest hour: 6h 31°C.

Chance of precipitation

Highest chance: 14%.

Hourly weather forecast

  • 0h
  • 27°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 11km/hESE 104°
  • Humidity: 86%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 2h
  • 27°C
  • Feels like:
    32°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 11km/hE 99°
  • Humidity: 85%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 4h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 9km/hE 93°
  • Humidity: 88%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:57
  • 6h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 10km/hE 93°
  • Humidity: 88%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 8h
  • 30°C
  • Feels like:
    36°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 16km/hE 99°
  • Humidity: 77%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 10h
  • 31°C
  • Feels like:
    38°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 19km/hESE 113°
  • Humidity: 73%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 12h
  • 31°C
  • Feels like:
    38°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 21km/hESE 120°
  • Humidity: 72%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 31°C
  • Feels like:
    38°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 21km/hESE 116°
  • Humidity: 73%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 16h
  • 31°C
  • Feels like:
    37°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 19km/hESE 112°
  • Humidity: 73%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
Sunset: 17:47
  • 18h
  • 29°C
  • Feels like:
    34°C
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 17km/hESE 102°
  • Humidity: 81%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 28°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 16km/hE 93°
  • Humidity: 85%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 16km/hE 95°
  • Humidity: 86%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Tomorrow, cloudy weather is expected.
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 the lowest temperature of 31°C and the highest temperature of 38°C. The hottest part of the day will be from 10h to 16h.
The forecasted high will be consistent with the typical October maximum of 29.4°C. The night temperature will be also close to the standard October low of 25.5°C.
Updated: Oct 17, 2026 @ 12:42:04 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, high-altitude clouds may scatter across the sky, but the sun will still shine.

Tomorrow, the maximum temperature will be 31°C, while the minimum temperature will be 26°C. The maximum heat index, which modifies the air temperature to account for humidity, is evaluated at 39°C.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.

On Sunday, in Saint George's, sunrise will be at 05:57 and sunset at 17:47 (AST).

In Saint George's, tomorrow, there will be 11h and 50min of daylight.