Gampaha Weather Forecast
Current Conditions & 10-Day Outlook
Current Weather Conditions in Gampaha
Gampaha
Western Province, Sri Lanka
DrizzleHourly Gampaha Weather Forecast
24°24°25°27°
28°30°31°31°30°30°30°29°28°27°26°26°26°25°25°24°25°25°25°24°Very gentle wind.
Very high chance of precipitation.
Gampaha 10-Day Weather Outlook
Today's Weather in Gampaha, Western Province, Sri Lanka
Tue, May 26
Wed, May 27
Thu, May 28
Fri, May 29
Sat, May 30
Sun, May 31
Mon, Jun 01
Tue, Jun 02
Wed, Jun 03
Feels like
Feels warmer than actual temperature.
Pressure
Expect stable weather conditions.
Humidity
High humidity.
UV
Take precautions.
Gusts
Max speed of wind gusts today.
Cloud Cover
Overcast, expect cloudy conditions.
Daylight
Long days, short nights.
Rain
Light rain, minimal impact on outdoor activities.
Snowfall
No snowfall expected.
Historical Climate Data
Current Air Quality in Gampaha
Today
PM2.5
PM10
Ozone
Nitrogen Dioxide
Sulfur Dioxide
Carbon Monoxide
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About Gampaha Weather
General
This page provides the current weather forecast for Gampaha, Western Province, Sri Lanka, 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
Gampaha 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 Sri Lanka and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, see the Gampaha 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.