Latest weather updates and forecast for Cardiff.
Today, September 15, 2026, will see a high of 19°C and a low of 12°C, with an average temperature of 15.5°C. The day is characterized by a significant 60% chance of rain, making it a day where outdoor plans might need careful consideration. Cardiff residents can expect a day of mixed weather, with sunny intervals interspersed with a notable chance of rain.
Source: Data referenced in this article is taken from https://www.metoffice.gov.uk
The maximum temperature is predicted to reach 19°C, while the minimum will be around 12°C, resulting in an average temperature of 15.5°C. Humidity levels are expected to be high, reaching 92%, which could make the air feel damp. There is a 60% chance of rain, so carrying an umbrella is advisable. Wind speeds could reach up to 48.28 kph, adding a brisk element to the day. The high humidity and potential for wind, reaching up to 48.28 kph, mean that the weather could feel cooler than the actual temperature, especially if caught in a shower.
The condition is described as “Sunny intervals,” suggesting periods of sunshine broken by cloud cover. Planning outdoor activities should take into account the possibility of rain, and it might be wise to have indoor alternatives ready. Today’s weather in Cardiff is set to be a blend of sunshine and cloud, with a considerable likelihood of precipitation. The week ahead in Cardiff presents a varied weather picture, with a notable chance of rain today followed by a mix of sunny intervals, cloudy skies, and overcast conditions.