Belfast Weather Forecast
Belfast weather: 54°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Belfast
Derived from the current forecast window - not an official warning.
8 dry days, 0 days above 90°F and humidity at 78%. Hot, dry and windy together is what drives fire spread.
Light haze overhead right now. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.
Air quality and pollen in Belfast
Pollen today
Pollen is modelled for Europe only; other regions show no values.
Air quality: Open-Meteo (CAMS). US AQI scale.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| General | Conditions are comfortable for most people, including children and older adults, with normal clothing. |
See the Belfast forecast by time range
Belfast weather - more answers
Explore Belfast
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Belfast?
Belfast is a city in County Antrim. Its coordinates are 54.5973, -5.9301. It lies in Europe.
What is the weather like in Belfast right now?
It is currently 54°F (12°C) with overcast. Humidity is 78% and wind is 5 mph.
When is the best time to visit Belfast?
May, July and August offer the most comfortable conditions in Belfast, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Belfast in?
Belfast observes Europe/London (UTC+01:00). The local time is 10:52 PM.
How many people live in Belfast?
Belfast has a population of approximately 345.000.
What is the nearest airport to Belfast?
The closest airports are Dublin Airport (DUB), 82 mi away.
What are the top things to do in Belfast?
Popular options include Lake District National Park, Snowdonia National Park, Edinburgh Castle, Old and New Towns of Edinburgh, Isle of Skye and Loch Ness.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-supported) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 22, 2026 at 10:52 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
