Arniston Weather Forecast
Current Conditions & 10-Day Outlook
Current Weather Conditions in Arniston
Arniston
Western Cape, South Africa
Partly cloudyHourly Arniston Weather Forecast
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15°Moderate wind.
Very high chance of precipitation.
Arniston 10-Day Weather Outlook
Heutiges Wetter in Arniston, Western Cape, South Africa
Mon, Jul 27
Tue, Jul 28
Wed, Jul 29
Thu, Jul 30
Fri, Jul 31
Sat, Aug 01
Sun, Aug 02
Mon, Aug 03
Tue, Aug 04
Gefühlt
Feels cooler than actual temperature.
Luftdruck
Expect very stable weather.
Luftfeuchtigkeit
High humidity.
UV
Minimal risk of harm.
Böen
Max. Windböengeschwindigkeit heute.
Bewölkung
Overcast, expect cloudy conditions.
Tageslicht
Balanced day and night.
Regen
No rain, dry conditions expected.
Schneefall
No snowfall expected.
Current Air Quality in Arniston
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About Arniston Weather
General
This page provides the current weather forecast for Arniston, Western Cape, South Africa, 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
Arniston 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 South Africa and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, see the Arniston 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.