Today's Weather Forecast - Belfast
Today's weather in Belfast. high 17°C (63°F), low 14°C (57°F). Overcast.
Today’s Hourly Weather Outlook
- Wind speed
- 14 km/h
- Rain probability
- 1%
- Wind speed
- 16 km/h
- Rain probability
- 4%
- Wind speed
- 11 km/h
- Rain probability
- 4%
- Wind speed
- 17 km/h
- Rain probability
- 4%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: PM2.5
- Monitoring station
- Belfast Centre, United Kingdom
- PM2.5
- 30μg/m³
- PM10
- 11μg/m³
- O₃
- 24.8ppb
- NO₂
- 4.2ppb
- SO₂
- 0.6ppb
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Belfast is forecast to reach a high of 17°C today, with an overnight low around 14°C. That's 1° above the long-term average high of 16°C for this time of year. It continues a recent pattern — 12 of the last 19 days with published data have run warmer than normal. Expect little chance of rain (4% probability) and a gentle breeze averaging 17 km/h. Air quality is currently Moderate (AQI 52), driven mainly by PM2.5 at 9.6 μg/m³.
Today vs Normal
The long-term average high for today is 16°C.
12 of the last 19 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.