Cornwall Mountian Weather Forecast

Current Conditions & 10-Day Outlook

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Current Weather Conditions in Cornwall Mountian

Cornwall Mountian

Westmoreland Parish, Jamaica

weather iconOvercast
30°
Low 22°
High 33°

Hourly Cornwall Mountian Weather Forecast

12 AMweather icon27°
1 AMweather icon26°
2 AMweather icon25°
3 AMweather icon24°
4 AMweather icon24°
5 AMweather icon24°
6 AMweather icon23°
7 AMweather icon23°
8 AMweather icon23°
9 AMweather icon22°
10 AMweather icon22°
11 AMweather icon22°
12 PMweather icon24°
1 PMweather icon27°
2 PMweather icon29°
3 PMweather icon30°
4 PMweather icon31°
5 PMweather icon33°
6 PMweather icon32°
7 PMweather icon31°
8 PMweather icon29°
9 PMweather icon29°
10 PMweather icon27°
11 PMweather icon26°
Wind
9kt ENE

Gentle wind.

9kt
NESW
Precipitation
90%

Very high chance of precipitation.

Cornwall Mountian 10-Day Weather Outlook

Today's Weather in Cornwall Mountian, Westmoreland Parish, Jamaica

Sat, Aug 15

Showers svg
22°
33°

Sun, Aug 16

Showers svg
23°
30°

Mon, Aug 17

Showers svg
22°
33°

Tue, Aug 18

Showers svg
21°
33°

Wed, Aug 19

Showers svg
22°
33°

Thu, Aug 20

Showers svg
20°
31°

Fri, Aug 21

Showers svg
22°
31°

Sat, Aug 22

Showers svg
22°
33°

Sun, Aug 23

Showers svg
22°
28°

Feels like

34°

Feels warmer than actual temperature.

Pressure

973 hPa

Expect unstable weather conditions.

Humidity

63%

High humidity.

UV

8 - Very high

Take precautions.

Gusts

26kt

Max speed of wind gusts today.

Cloud Cover

98%

Overcast, expect cloudy conditions.

Daylight

12h 45m

Long days, short nights.

Rain

0.5mm

No rain, dry conditions expected.

Snowfall

0.0mm

No snowfall expected.

Marine Weather Forecasts
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Historical Climate Data

10 year average

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Current Air Quality in Cornwall Mountian

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About Cornwall Mountian Weather

General

This page provides the current weather forecast for Cornwall Mountian, Westmoreland Parish, Jamaica, including hourly conditions, a 10-day outlook, wind speed and direction, precipitation, UV index, and air quality - giving you everything you need to plan your day in one view.

Forecast & Methodology

The forecast data on this page is sourced from the ECMWF open-source model - a reliable global model used widely across weather services worldwide. For sailors, boaters, and mariners who need greater accuracy and higher resolution, PredictWind's proprietary forecast models deliver precision down to 1km resolution, updated multiple times daily and validated against real-world observations. Sign up free to access PredictWind's advanced forecasts.

Sailing & Marine Conditions

Cornwall Mountian weather forecasts on PredictWind are optimised for sailors and boaters who need precise, reliable wind and wave data for passage planning and day sailing. PredictWind is used by ocean racers, cruising sailors, and commercial vessel operators across Jamaica and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, see the Cornwall Mountian marine forecast.

Units

Wind speed is displayed in knots - the standard unit used by sailors, weather services, and maritime authorities. Temperature is shown in degrees Celsius. Use the toggle at the top of the page to switch between Celsius and Fahrenheit. Pressure is shown in hPa, rainfall in millimetres, and air quality is available in both US and EU AQI standards.