Weather in Londonderry Today
Current temperature in Londonderry: 16°C (61°F). Overcast. Today's high 17°C (63°F), low 13°C (55°F).
Today's Daylight Forecast
Moon & Islamic Calendar
Air quality and UV are both favourable great conditions for a walk, run, or outdoor activity.
5-Day Weather Forecast
Full 15-Day ForecastAtmospheric Details
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.
Health & Activity Advice
UV index is 2 today — low. Minimal sun protection is needed for most outdoor activity.
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Conditions are comfortable for outdoor activity at most points during the day today.
Nearby Regional Outlook
Londonderry Weather Radar
Live precipitation · Cloud cover · Wind
Frequently Asked Questions
What is the hottest month in Londonderry?
The hottest month in Londonderry is typically July, with daytime highs averaging around 17.7°C (64°F), based on 10 years of historical weather data. Overnight lows during this period average near 11.9°C (53°F).
What is the coldest month in Londonderry?
The coldest month in Londonderry is typically January, with overnight lows averaging around 3.2°C (38°F) and daytime highs near 7.3°C (45°F), based on 10 years of historical weather data.
Does Londonderry have a rainy season?
Londonderry doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. August is the wettest month on average (about 122 mm), while April is the driest (about 73 mm).
What's the best time of year to visit Londonderry?
The best time to visit Londonderry is typically May to August, when daytime highs average a comfortable 16.8°C (62°F). Rainfall during this window averages around 102 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.
Is Londonderry's air quality safe right now?
As of the latest reading, Londonderry's air quality index (AQI) is 24, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.