Weather forecast for tomorrowCastleton, Jamaica
Weather forecast for tomorrow
Wednesday 21. Oct 2026
- 31°C
- 23°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 11km/hSSE 148°
- Humidity: 70%
- UV index: 10
- Sunrise: 06:02 EST
- Sunset: 17:41 EST
- details ▼
Tomorrow, variable cloud cover will persist, but sunshine will break through.
Rainfall is not anticipated. The highest forecasted temperature is a tropical 31°C, while the lowest temperature will be a temperate 23°C.
The maximum heat index, which adjusts the air temperature based on humidity, is calculated to be a very hot 38°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted maximum temperature will closely reflect October's average high of 30.3°C.
Sunrise will be at 06:02 and sunset at 17:41; tomorrow's daylight will last for 11h and 38min.
Rainfall is not anticipated. The highest forecasted temperature is a tropical 31°C, while the lowest temperature will be a temperate 23°C.
The maximum heat index, which adjusts the air temperature based on humidity, is calculated to be a very hot 38°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted maximum temperature will closely reflect October's average high of 30.3°C.
Sunrise will be at 06:02 and sunset at 17:41; tomorrow's daylight will last for 11h and 38min.
Hourly overview
Hourly temperatures
Warmest hour: 12h 35°C.
Coldest hour: 3h 25°C.
Coldest hour: 3h 25°C.
Chance of precipitation
Highest chance: 15h 20%.
Hourly weather forecast
- 0h
- 26°C
- Feels like:26°C
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0mm
- Wind: 6km/hSW 214°
- Humidity: 84%
- Pressure: 1012mbar
- Visibility: 11km
- UV index: 0
- details ▼
- 2h
- 25°C
- Feels like:25°C
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 6km/hSW 218°
- Humidity: 87%
- Pressure: 1011mbar
- Visibility: 11km
- UV index: 0
- details ▼
- 4h
- 24°C
- Feels like:24°C
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 6km/hWSW 243°
- Humidity: 86%
- Pressure: 1011mbar
- Visibility: 9km
- UV index: 0
- details ▼
- 6h
- 24°C
- Feels like:27°C
Mostly Clear
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 6km/hWSW 242°
- Humidity: 85%
- Pressure: 1011mbar
- Visibility: 10km
- UV index: 0
- details ▼
Sunrise: 06:02
- 8h
- 27°C
- Feels like:31°C
Sunny
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 5km/hW 277°
- Humidity: 77%
- Pressure: 1012mbar
- Visibility: 15km
- UV index: 2
- details ▼
- 10h
- 30°C
- Feels like:34°C
Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 4km/hSSW 207°
- Humidity: 63%
- Pressure: 1013mbar
- Visibility: 16km
- UV index: 8
- details ▼
- 12h
- 31°C
- Feels like:35°C
Mostly Cloudy
- Precip. probability: 11%
- Precipitation: 0mm
- Wind: 7km/hE 84°
- Humidity: 62%
- Pressure: 1012mbar
- Visibility: 16km
- UV index: 10
- details ▼
- 14h
- 30°C
- Feels like:35°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 11km/hE 92°
- Humidity: 65%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 6
- details ▼
- 16h
- 29°C
- Feels like:34°C
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 9km/hESE 119°
- Humidity: 72%
- Pressure: 1011mbar
- Visibility: 16km
- UV index: 1
- details ▼
Sunset: 17:41
- 18h
- 27°C
- Feels like:31°C
Mostly Cloudy
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 8km/hS 170°
- Humidity: 79%
- Pressure: 1012mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 20h
- 27°C
- Feels like:30°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 8km/hSSE 156°
- Humidity: 79%
- Pressure: 1013mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 22h
- 26°C
- Feels like:29°C
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 9km/hSSW 203°
- Humidity: 81%
- Pressure: 1013mbar
- Visibility: 14km
- UV index: 0
- details ▼
Tomorrow, on Wednesday, a combination of primarily cloud-filled and occasionally sunny and rain-soaked weather is anticipated.
The temperature will vary between the lowest temperature of 24°C and the highest temperature of 31°C. The feels-like temperature will vary between the lowest temperature of 24°C and the highest temperature of 36°C. The hottest part of the day will be from 11h to 13h.
The forecasted high will be alike with the typical October maximum of 30.3°C. The night temperature will be also similar to the standard October low of 23.1°C.
The temperature will vary between the lowest temperature of 24°C and the highest temperature of 31°C. The feels-like temperature will vary between the lowest temperature of 24°C and the highest temperature of 36°C. The hottest part of the day will be from 11h to 13h.
The forecasted high will be alike with the typical October maximum of 30.3°C. The night temperature will be also similar to the standard October low of 23.1°C.
Updated: Oct 21, 2026 @ 02:19:10 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, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
No, it will not rain tomorrow in Castleton.
Tomorrow, the maximum temperature will be 31°C, while the minimum temperature will be 23°C. The maximum heat index, which indicates how humid air affects the felt temperature, is calculated to be 38°C.
The highest temperature will be in line with the average maximum of 30.3°C in October. The lowest temperature will be also in line with the average low of 23.1°C.
The highest temperature will be in line with the average maximum of 30.3°C in October. The lowest temperature will be also in line with the average low of 23.1°C.
On Wednesday, in Castleton, sunrise will be at 06:02 and sunset at 17:41 (EST).
In Castleton, Jamaica, the length of the day tomorrow will be 11h and 38min.





