Weather forecast for tomorrowGrantham, Jamaica
Weather forecast for tomorrow
Friday 13. Nov 2026
- 29°C
- 24°C
Thunderstorms
- Precip. probability: 82%
- Precipitation: 3mm
- Wind: 15km/hS 172°
- Humidity: 82%
- UV index: 4
- Sunrise: 06:12 EST
- Sunset: 17:31 EST
- details ▼
Tomorrow, in Grantham, thunderstorms are also expected.
Minimal precipitation is forecasted. Temperature measurements will peak at a temperate 29°C, with a slight decrease to a low of a warm 24°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at a sweltering 35°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The forecasted daytime maximum should align with the typical November high of 29.7°C.
Sunrise will be at 06:12 and sunset at 17:31; tomorrow's daylight will last for 11h and 19min.
Minimal precipitation is forecasted. Temperature measurements will peak at a temperate 29°C, with a slight decrease to a low of a warm 24°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at a sweltering 35°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The forecasted daytime maximum should align with the typical November high of 29.7°C.
Sunrise will be at 06:12 and sunset at 17:31; tomorrow's daylight will last for 11h and 19min.
Hourly overview
Hourly temperatures
Warmest period: 12h - 15h 33°C.
Minimum temperature: 29°C.
Minimum temperature: 29°C.
Chance of precipitation
Highest chance: 15h 82%.
Hourly weather forecast
- 0h
- 26°C
- Feels like:29°C
Mostly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 9km/hS 189°
- Humidity: 87%
- Pressure: 1010mbar
- Visibility: 12km
- UV index: 0
- details ▼
- 2h
- 26°C
- Feels like:29°C
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 10km/hS 191°
- Humidity: 85%
- Pressure: 1009mbar
- Visibility: 13km
- UV index: 0
- details ▼
- 4h
- 26°C
- Feels like:29°C
Showers
- Precip. probability: 41%
- Precipitation: 1mm
- Wind: 10km/hS 180°
- Humidity: 87%
- Pressure: 1009mbar
- Visibility: 10km
- UV index: 0
- details ▼
- 6h
- 25°C
- Feels like:29°C
Showers
- Precip. probability: 50%
- Precipitation: 1mm
- Wind: 10km/hSSW 199°
- Humidity: 89%
- Pressure: 1009mbar
- Visibility: 3km
- UV index: 0
- details ▼
Sunrise: 06:12
- 8h
- 27°C
- Feels like:30°C
Showers
- Precip. probability: 73%
- Precipitation: 2mm
- Wind: 10km/hS 181°
- Humidity: 83%
- Pressure: 1011mbar
- Visibility: 11km
- UV index: 1
- details ▼
- 10h
- 28°C
- Feels like:33°C
Thunderstorms
- Precip. probability: 62%
- Precipitation: 4mm
- Wind: 14km/hS 172°
- Humidity: 78%
- Pressure: 1011mbar
- Visibility: 4km
- UV index: 1
- details ▼
- 12h
- 28°C
- Feels like:33°C
Scattered Thunderstorms
- Precip. probability: 58%
- Precipitation: 3mm
- Wind: 13km/hS 171°
- Humidity: 79%
- Pressure: 1010mbar
- Visibility: 6km
- UV index: 2
- details ▼
- 14h
- 29°C
- Feels like:34°C
Thunderstorms
- Precip. probability: 69%
- Precipitation: 1mm
- Wind: 15km/hSSE 166°
- Humidity: 79%
- Pressure: 1009mbar
- Visibility: 10km
- UV index: 2
- details ▼
- 16h
- 27°C
- Feels like:32°C
Showers
- Precip. probability: 67%
- Precipitation: 1mm
- Wind: 15km/hS 169°
- Humidity: 84%
- Pressure: 1009mbar
- Visibility: 8km
- UV index: 0
- details ▼
Sunset: 17:31
- 18h
- 26°C
- Feels like:30°C
Scattered Thunderstorms
- Precip. probability: 57%
- Precipitation: 1mm
- Wind: 11km/hSSE 156°
- Humidity: 87%
- Pressure: 1010mbar
- Visibility: 7km
- UV index: 0
- details ▼
- 20h
- 26°C
- Feels like:29°C
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 6km/hS 180°
- Humidity: 87%
- Pressure: 1011mbar
- Visibility: 8km
- UV index: 0
- details ▼
- 22h
- 26°C
- Feels like:29°C
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 7km/hSSW 213°
- Humidity: 87%
- Pressure: 1012mbar
- Visibility: 6km
- UV index: 0
- details ▼
Tomorrow, a combination of gloomy, rain-soaked and storm-filled weather is expected.
Rainfall is forecasted from 3h to 18h. With moderate precipitation of 7mm, most rainfall is expected at 11h.
The temperature will be between a minimum of 25°C and a maximum of 29°C. The feels-like temperature will be between a minimum of 28°C and a maximum of 34°C. The hottest part of the day is expected around 14h.
The forecasted high will be comparable to the typical November maximum of 29.7°C. The lowest temperature is also close to November's typical minimum of 22.5°C.
Rainfall is forecasted from 3h to 18h. With moderate precipitation of 7mm, most rainfall is expected at 11h.
The temperature will be between a minimum of 25°C and a maximum of 29°C. The feels-like temperature will be between a minimum of 28°C and a maximum of 34°C. The hottest part of the day is expected around 14h.
The forecasted high will be comparable to the typical November maximum of 29.7°C. The lowest temperature is also close to November's typical minimum of 22.5°C.
Updated: Nov 12, 2026 @ 06:47:24 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 Grantham, storm clouds are expected to develop.
There is a high chance of rainfall, but precipitation will be minimal.
Tomorrow, the highest temperature in Grantham will be 29°C, while the lowest temperature will be 24°C. The maximum heat index, which adjusts the air temperature based on humidity, is computed to be 35°C.
The maximum temperature will be in line with the average highest temperature of 29.7°C in November. The lowest temperature will be also in line with the average low of 22.5°C.
The maximum temperature will be in line with the average highest temperature of 29.7°C in November. The lowest temperature will be also in line with the average low of 22.5°C.
On Friday, in Grantham, sunrise will be at 06:12 and sunset at 17:31 (EST).
In Grantham, the length of the day tomorrow will be 11h and 19min.
