Belfast residents can expect a day of mixed weather today, September 13, 2026, with sunny intervals interspersed with a chance of rain. The day will be relatively mild, with temperatures ranging from a cooler 15 degrees Celsius overnight to a high of 18 degrees Celsius. Humidity levels are expected to be high, reaching 91%, which may make the air feel damp.
Source: Data referenced in this article is taken from https://www.metoffice.gov.uk
Today, September 13, 2026, Belfast will experience a day characterized by sunny intervals. The maximum temperature is forecast to reach 18 degrees Celsius, while the minimum temperature will be around 15 degrees Celsius. The average temperature for the day is expected to be 16.5 degrees Celsius. Wind speeds are predicted to be moderate, with a maximum of 24.14 kph. There is a 20% chance of rain, and precipitation levels are not specified. Humidity will be notably high, at 91%, contributing to a potentially muggy atmosphere despite the sunshine. Tomorrow, September 14, the forecast indicates light rain, with temperatures ranging from 13 to 20 degrees Celsius. On September 15, residents can expect light showers, with a high of 17 degrees Celsius and a low of 12 degrees Celsius. The pattern of light rain and showers is forecast to persist through September 16, 17, 18, and 19, with daily high temperatures hovering around the mid-teens and lows in the early teens.
Looking ahead, the weather in Belfast is set to see a shift towards more unsettled conditions. This trend of unsettled weather appears to continue into the following days. The week ahead in Belfast suggests a period of predominantly showery and rainy weather following today’s mixed conditions.