Weather forecast for tomorrowSaint John, Grenada
Weather forecast for tomorrow
Sunday 18. Oct 2026
- 28°C
- 23°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 23km/hESE 106°
- Humidity: 76%
- UV index: 11
- Sunrise: 05:56 AST
- Sunset: 17:47 AST
- details ▼
On Sunday, 18th of October, sunny moments will alternate with patchy cloud cover.
The peak daytime temperature will reach a warm 28°C, while the nighttime temperature will drop to a moderately hot 23°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at a blazing 32°C. Note that heat index values are valued for light wind and location in the shade.
Sunrise will be at 05:56 and sunset at 17:47; tomorrow's daylight will last for 11h and 50min.
The peak daytime temperature will reach a warm 28°C, while the nighttime temperature will drop to a moderately hot 23°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at a blazing 32°C. Note that heat index values are valued for light wind and location in the shade.
Sunrise will be at 05:56 and sunset at 17:47; tomorrow's daylight will last for 11h and 50min.
Hourly overview
Hourly temperatures
Warmest hour: 12h 31°C.
Coldest period: 3h - 6h 26°C.
Coldest period: 3h - 6h 26°C.
Chance of precipitation
Highest chance: 12h 19%.
Hourly weather forecast
- 0h
- 24°C
- Feels like:27°C
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 12km/hESE 105°
- Humidity: 85%
- Pressure: 1012mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 2h
- 24°C
- Feels like:26°C
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 13km/hE 99°
- Humidity: 85%
- Pressure: 1011mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 4h
- 24°C
- Feels like:25°C
Mostly Cloudy
- Precip. probability: 14%
- Precipitation: 0mm
- Wind: 11km/hE 95°
- Humidity: 88%
- Pressure: 1011mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunrise: 05:56
- 6h
- 24°C
- Feels like:26°C
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 11km/hE 93°
- Humidity: 89%
- Pressure: 1012mbar
- Visibility: 15km
- UV index: 0
- details ▼
- 8h
- 26°C
- Feels like:29°C
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0mm
- Wind: 18km/hE 98°
- Humidity: 78%
- Pressure: 1013mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 10h
- 27°C
- Feels like:30°C
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0mm
- Wind: 22km/hESE 109°
- Humidity: 75%
- Pressure: 1014mbar
- Visibility: 16km
- UV index: 9
- details ▼
- 12h
- 28°C
- Feels like:31°C
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0mm
- Wind: 23km/hESE 116°
- Humidity: 72%
- Pressure: 1013mbar
- Visibility: 16km
- UV index: 11
- details ▼
- 14h
- 27°C
- Feels like:31°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 23km/hESE 113°
- Humidity: 74%
- Pressure: 1011mbar
- Visibility: 16km
- UV index: 8
- details ▼
- 16h
- 27°C
- Feels like:30°C
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 21km/hESE 110°
- Humidity: 74%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 2
- details ▼
Sunset: 17:47
- 18h
- 25°C
- Feels like:28°C
Clear
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 18km/hESE 102°
- Humidity: 81%
- Pressure: 1011mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 20h
- 25°C
- Feels like:27°C
Mostly Clear
- Precip. probability: 13%
- Precipitation: 0mm
- Wind: 18km/hE 94°
- Humidity: 85%
- Pressure: 1012mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 22h
- 25°C
- Feels like:27°C
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0mm
- Wind: 17km/hE 96°
- Humidity: 85%
- Pressure: 1012mbar
- Visibility: 16km
- UV index: 0
- details ▼
Tomorrow, cloudiness will dominate.
The temperature will vary between the lowest temperature of 24°C and the highest temperature of 28°C. The warmest part of the day will be from 11h to 13h.
The temperature will vary between the lowest temperature of 24°C and the highest temperature of 28°C. The warmest part of the day will be from 11h to 13h.
Updated: Oct 17, 2026 @ 14:07:56 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Saint John, moments of sunshine will break through the patchy clouds.
Tomorrow, the highest temperature will be 28°C, while the lowest temperature will be 23°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at 32°C.
On Sunday, in Saint John, sunrise will be at 05:56 and sunset at 17:47 (AST).
In Saint John, tomorrow, there will be 11h and 50min of daylight.
