Northern Ireland weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Northern Ireland, United Kingdom. Like most weather services, we show Northern Ireland at one spot: Belfast, its largest city. At 7:15 PM local time it was cloudy and 14°C (56°F). Little to no rain in the next 24 hours. Best months for weather: May–Sep.
Current conditions
- Clouds
- 100%
- Chance of rain
- 3%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Belfast weather
Is it raining in Belfast right now?
No. It’s cloudy and 14° right now. Little to no rain in the next 24 hours.
What’s the weather like in Belfast this week?
Over the next 7 days, expect highs of 11–16° and lows of 4–12°. Little rain is expected. The driest day looks like Monday.
Has it been raining in Belfast lately?
In the past 7 days, Belfast had 3 rainy days and 52.2 mm of rain in total.
What should I pack for Belfast?
For the coming week, bring a warm layer for the evenings.
Northern Ireland weather by month
When is the best time to visit Northern Ireland?
Based on weather alone, the best time to visit Northern Ireland is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 7°C (45°F) in February to 17°C (62°F) in July.
What is the rainiest month in Northern Ireland?
October is the wettest month, with about 116 mm (4.6 in) of rain on average. April is the driest, with about 60 mm (2.4 in).
What is the hottest month in Northern Ireland?
July is the warmest, with average highs of 17°C (62°F) and lows of 12°C (54°F). February is the coolest, with highs of 7°C (45°F) and lows of 4°C (39°F).
Does Northern Ireland have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is October at about 116 mm (4.6 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Belfast), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Northern Ireland
Weather can differ a lot within Northern Ireland: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Belfast | May–Sep | None | 7–17°C | 1,069 mm |
| Londonderry County Borough | May–Sep | None | 7–17°C | 1,278 mm |
| Derry | May–Sep | None | 7–17°C | 1,278 mm |
| Lisburn | May–Sep | None | 6–18°C | 1,068 mm |
| Newtownabbey | May–Sep | None | 7–17°C | 1,069 mm |
| Bangor | May–Sep | None | 7–17°C | 1,069 mm |
| Craigavon | May–Sep | None | 6–18°C | 1,068 mm |
| Castlereagh | May–Sep | None | 7–17°C | 1,069 mm |
| Portadown | May–Sep | None | 6–18°C | 1,068 mm |
| Newtownards | May–Sep | None | 7–17°C | 1,069 mm |
| Carrickfergus | May–Sep | None | 7–17°C | 1,069 mm |
| Ballymena | May–Sep | None | 7–17°C | 1,165 mm |