Today's Weather Forecast - Londonderry
Today's weather in Londonderry. high 17°C (63°F), low 13°C (55°F). Overcast.
Today’s Hourly Weather Outlook
- Wind speed
- 11 km/h
- Rain probability
- 4%
- Wind speed
- 18 km/h
- Rain probability
- 12%
- Wind speed
- 15 km/h
- Rain probability
- 28%
- Wind speed
- 14 km/h
- Rain probability
- 2%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: O3
- Monitoring station
- Derry Rosemount, United Kingdom
- PM2.5
- 21μg/m³
- PM10
- 12μg/m³
- O₃
- 24ppb
- NO₂
- 2.3ppb
- SO₂
- 0.6ppb
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Londonderry is forecast to reach a high of 17°C today, with an overnight low around 13°C. That's 2° above the long-term average high of 15°C for this time of year. Expect a low chance of rain (28% probability) and a gentle breeze averaging 18 km/h. Air quality is currently Moderate (AQI 52), driven mainly by PM2.5 at 9.5 μg/m³.
Today vs Normal
The long-term average high for today is 15°C.
9 of the last 19 days with published data ran above normal.
That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.
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.