Belfast weather forecast: Cloudy skies and showers expected today, with a warming trend next week

Belfast, September 16, 2026 – Residents of Belfast can expect a day of mixed weather, with cloudy skies dominating the morning and a chance of light showers later in the day. The temperature will remain mild, offering a comfortable atmosphere for most activities.Belfast Weather TodayToday in Belfast, the weather will be characterised by overcast conditions, particularly in the morning. The maximum temperature is forecast to reach 16 degrees Celsius, with a low of 11 degrees Celsius. Humidity levels are expected to be high, at around 91%, which may make the air feel damp. There is a 30% chance of rain, though precipitation amounts are not specified. Wind speeds could reach up to 46.67 kph, contributing to a brisk feel throughout the day.Prepare for a Cloudy Day with a Chance of ShowersGiven the forecast of cloudy skies and a possibility of light showers, it would be prudent for Belfast residents to carry an umbrella or wear waterproof outerwear. The high humidity suggests a damp environment, so dressing in layers might be advisable to manage comfort levels. While the temperatures are not extreme, the combination of cloud cover and potential rain means outdoor plans might need some flexibility. The moderate wind speeds should be considered if engaging in outdoor activities that could be affected by gusts.Belfast Weather for Upcoming 7 DaysLooking ahead, the weather in Belfast is set to see a gradual shift over the next seven days. Tomorrow, September 17, will bring light showers with similar temperature ranges to today, with a high of 16°C and a low of 11°C. The following day, September 18, is expected to see light rain, with temperatures slightly increasing to a high of 17°C and a low of 13°C.September 19 promises a brighter outlook with sunny intervals, and temperatures climbing to a high of 18°C and a low of 12°C. This trend of warming continues into September 20, with cloudy skies and a high of 18°C and a low of 14°C. By September 21, the city can expect overcast conditions, with the warmest day of the forecast period anticipated, reaching a high of 20°C and a low of 13°C. The week concludes on September 22 with a return to cloudy skies and a slight dip in temperature, with a high of 17°C and a low of 12°C.DateMax Temp (C)Min Temp (C)Condition2026-09-161611Cloudy2026-09-171611Light showers2026-09-181713Light rain2026-09-191812Sunny intervals2026-09-201814Cloudy2026-09-212013Overcast2026-09-221712CloudyThe week ahead in Belfast will see a mix of cloudy and showery conditions, with a warming trend towards the middle of the week before a slight cooling at the end.Source: Data referenced in this article is taken from the latest World News and Live updates. Download the TOI app.