Belfast Weather Forecast
Belfast weather: 54°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Will it rain in Belfast?
Possibly - there is a 25% chance in Belfast today.
A 25% chance means most of the area stays dry; a passing shower is possible but short.
Over the next 7 days, about 1,2 in of precipitation is forecast, with the wettest days falling on Tue, Thu and Fri.
Rainfall over the next 7 days is close to normal for August (1,2 in against a typical 0,7 in).
16-day forecast for Belfast
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | 🌦️ Drizzle | 63° / 53° | 25% · 0,0 in | 8 mph | 2 |
| Sun, Aug 23 | ☁️ Overcast | 64° / 57° | 37% | 7 mph | 2 |
| Mon, Aug 24 | ☁️ Overcast | 65° / 51° | 3% | 11 mph | 5 |
| Tue, Aug 25 | 🌦️ Drizzle | 64° / 60° | 67% · 0,1 in | 16 mph | 4 |
| Wed, Aug 26 | 🌧️ Heavy drizzle | 66° / 60° | 37% · 0,2 in | 14 mph | 3 |
| Thu, Aug 27 | 🌦️ Drizzle | 69° / 57° | 66% · 0,1 in | 14 mph | 2 |
| Fri, Aug 28 | 🌦️ Light showers | 62° / 50° | 59% · 0,7 in | 8 mph | 4 |
| Sat, Aug 29 | 🌦️ Drizzle | 65° / 56° | 59% · 0,2 in | 15 mph | 5 |
| Sun, Aug 30 | ☁️ Overcast | 62° / 54° | 57% | 9 mph | 3 |
| Mon, Aug 31 | 🌦️ Light drizzle | 63° / 51° | 59% · 0,0 in | 8 mph | 4 |
| Tue, Sep 1 | 🌦️ Light drizzle | 62° / 46° | 47% · 0,1 in | 5 mph | 4 |
| Wed, Sep 2 | ☁️ Overcast | 61° / 48° | 35% | 6 mph | 3 |
| Thu, Sep 3 | 🌥️ Fog | 63° / 47° | 57% | 11 mph | 1 |
| Fri, Sep 4 | 🌧️ Heavy drizzle | 66° / 58° | 51% · 0,5 in | 15 mph | 3 |
| Sat, Sep 5 | ☀️ Clear sky | -- / -- | — | -- | 5 |
| Sun, Sep 6 | ☀️ Clear sky | -- / -- | — | -- | — |
What this means for Belfast
Today is slightly cooler than average for August. The forecast high of 63°F is 2.9°F below the 65°F typical for this month.
A 25% chance means most of the area stays dry; a passing shower is possible but short.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 53°F.
What to pack, what to skip
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
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 1:34 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 23, 2026 at 1:34 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
