Belfast Weather Forecast: Overcast day with maximum temperature of 18°C and high humidity on October 4, 2026

Belfast will experience warm temperatures reaching 18 degrees Celsius and high humidity at 92 percent. The day is expected to be predominantly cloudy with no predicted rainfall below 5 percent. Residents may need to adjust outdoor plans due to the high humidity and cloud cover. A cooler overnight temperature of 16 degrees Celsius is anticipated.

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