Latest weather updates and forecast for Newcastle.
Earlier reporting noted: Cardiff, September 16, 2026 – Residents of Cardiff can expect a day of mixed weather, beginning with sunny intervals that may give way to a chance of light rain later in the week. Today, the city will experience a pleasant start with temperatures reaching a high of 18°C. The humidity is expected to be high, around 92%, suggesting a potentially muggy atmosphere despite the sunshine.
The high humidity means that even with moderate temperatures, the air might feel cooler or damper than usual. It is also a good idea to stay hydrated, as high humidity can sometimes make the body feel warmer. For those planning outdoor activities, it would be wise to check the weather closer to the time, as the sunny intervals could give way to more persistent cloud. As the week progresses, however, the possibility of rain increases, particularly towards the middle of the week.
Earlier reporting noted: The day will be characterized by a blend of sunshine and cloud cover, with a low chance of precipitation. Earlier reporting noted: Cardiff weather forecast: Sunny intervals today, rain expected later in the week Latest weather updates and forecast for Cardiff. This initial forecast suggests that while today offers a relatively stable weather pattern, individuals should remain aware of potential shifts in conditions as the week unfolds.
Newcastle, September 17, 2026 – Residents of Newcastle can expect a day of mixed weather, beginning with sunny intervals and a moderate chance of rain. The day will see a noticeable drop in temperature from the previous day, with a high of 16°C and a low of 12°C. Humidity levels are expected to be high, reaching 85%, which may make the air feel damp. The maximum temperature is predicted to reach 16°C, while the minimum temperature will be around 12°C. This offers a relatively mild day, though the high humidity of 85% might contribute to a feeling of dampness in the air. Tomorrow, September 18th, will be overcast with temperatures ranging from 15°C to 17°C. Following this, September 19th is expected to bring back sunny intervals, with a high of 18°C and a low of 12°C. September 20th is forecast to be cloudy, with temperatures between 15°C and 17°C. September 21st is predicted to be misty, with the warmest day of the upcoming period expected, reaching a high of 19°C and a low of 15°C.
Looking ahead, the weather in Newcastle is set to experience a period of varied conditions. The trend of mixed weather continues into the latter half of the week. The week concludes with cloudy conditions on September 22nd, followed by sunny intervals on September 23rd, with temperatures generally remaining mild.
Today in Newcastle, the weather will be characterised by sunny intervals, particularly in the earlier part of the day.