Latest weather updates and forecast for Newcastle.
Earlier reporting noted: Belfast weather forecast: Overcast skies and rain expected on Monday, September 21 Latest weather updates and forecast for Belfast. the dampness in the air due to 96% humidity means that outdoor activities might feel cooler than the temperature suggests While the chance of rain is minimal. Residents of Newcastle should prepare for a day where the primary weather characteristic is overcast skies and high humidity. It would be advisable to wear layers of clothing that can be adjusted, and perhaps carry a light waterproof outer layer, not necessarily for rain, but to shield against any unexpected light drizzle or dampness. The weather is set to be dominated by cloud cover, with temperatures hovering around the seasonal average.
Earlier reporting noted: Belfast residents can expect a day of overcast skies and a high chance of rain as the city experiences a cool and humid Monday. Earlier reporting noted: Belfast Weather Today
Today, September 21, 2026, the city will experience a maximum temperature of 18°C and a minimum of 14°C, with an average temperature of 16.0°C. Humidity levels are expected to be high, reaching 96%, which may make the air feel damp. The chance of rain today is less than 5%, suggesting that significant precipitation is unlikely. Winds will be moderate, with a maximum speed of 35.41 kph. The day will begin with sunrise at 7:02 am and conclude with sunset at 7:18 pm, providing a standard daylight duration. Today, September 21, 2026, Newcastle will be characterized by overcast conditions. The highest temperature is forecast to reach 18°C, while the lowest temperature will be around 14°C. The average temperature for the day is expected to be 16.0°C. A notable feature of the day will be the high humidity, with an average of 96%, which could contribute to a feeling of dampness in the air.
Newcastle is set for a day of overcast skies with a mild temperature, offering a relatively stable weather pattern for residents. Overall, it will be a day where residents can expect a cool, humid, and largely dry environment, suitable for most daily activities with appropriate clothing for the damp conditions. The moderate wind speeds should not cause significant disruption, but combined with the humidity, it could create a slightly chilly feel, especially in exposed areas. The consistent temperatures throughout the day, with a narrow range between the high and low, mean that significant temperature fluctuations are not expected. This makes it a day for comfortable indoor activities or outdoor excursions where one is prepared for a humid, cool environment.