Today
Sat, Jun 13
Partly cloudy
20°10°
- Rain chance
- 15%
- Precip
- 0 mm
- Max wind
- 12 mph
Belfast weather forecast
Northern Ireland, United Kingdom · London time · 54.60°, -5.93°
Current conditions · 7:00 AM local
Current conditions in Belfast
11°C
Partly cloudy
Feels like 11°C
- Humidity
- 55%
- Wind
- 3 mph SW
- Gusts
- 18 mph
- UV index
- 6.1
- Visibility
- 6 mi
Right now
Right now in Belfast it is cool at around 11°C, feeling like 11°C, with winds near 5 km/h.
At a glance
Today
20° / 10°Partly cloudy · extreme UV
Tomorrow
21° / 10°Overcast · extreme UV
Upcoming · to Friday
22° / 8°Highs 22°, lows 8°. The most active day looks like Wednesday, when rain chances peak at 70%.
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Next 3 days
The next three days in Belfast bring highs near 20–22°C and lows around 10°C, with mostly settled conditions.
Tomorrow
Sun, Jun 14
Overcast
21°10°
- Rain chance
- 4%
- Precip
- 0 mm
- Max wind
- 12 mph
Monday
Mon, Jun 15
Slight rain
22°10°
- Rain chance
- 4%
- Precip
- 0 mm
- Max wind
- 12 mph
Next 48 hours
- 12 AM14°10%8 mph
- 1 AM12°10%7 mph
- 2 AM11°10%6 mph
- 3 AM11°10%5 mph
- 4 AM10°10%4 mph
- 5 AM10°10%4 mph
- 6 AM10°10%3 mph
- 7 AM11°10%3 mph
- 8 AM12°10%3 mph
- 9 AM13°10%4 mph
- 10 AM15°10%4 mph
- 11 AM16°10%5 mph
- 12 PM18°10%6 mph
- 1 PM19°10%7 mph
- 2 PM20°10%8 mph
- 3 PM21°10%9 mph
- 4 PM21°10%9 mph
- 5 PM21°10%10 mph
- 6 PM20°10%10 mph
- 7 PM20°10%11 mph
- 8 PM19°10%10 mph
- 9 PM18°10%10 mph
- 10 PM16°10%9 mph
- 11 PM15°10%9 mph
- 12 AM14°2%8 mph
- 1 AM12°2%7 mph
- 2 AM11°2%6 mph
- 3 AM11°2%5 mph
- 4 AM10°2%4 mph
- 5 AM10°2%4 mph
- 6 AM10°2%3 mph
- 7 AM11°2%3 mph
- 8 AM12°2%3 mph
- 9 AM13°2%4 mph
- 10 AM15°2%4 mph
- 11 AM16°2%5 mph
- 12 PM18°2%6 mph
- 1 PM19°2%7 mph
- 2 PM20°2%8 mph
- 3 PM21°2%9 mph
- 4 PM21°2%9 mph
- 5 PM21°2%10 mph
- 6 PM20°2%10 mph
- 7 PM20°2%11 mph
- 8 PM19°2%10 mph
- 9 PM18°2%10 mph
- 10 PM16°2%9 mph
- 11 PM15°2%9 mph
In depth
Belfast weather outlook
A steady pattern holds over Belfast, Northern Ireland this week. Expect daytime highs near 20°C and overnight lows around 10°C, with winds generally from the south-west at 11–25 km/h.
Outlook
Day-to-day changes stay modest; the most active weather window arrives mid-period when precipitation chances peak at 70%.
Air quality
36
Good
US AQI · European AQI 74
Air quality in Belfast is Good right now, with a US AQI near 36. Conditions are fine for outdoor activity.
Pollutants
- PM2.5
- 14.4 µg/m³
- PM10
- 64 µg/m³
- Ozone (O₃)
- 96 µg/m³
- NO₂
- 38.6 µg/m³
- SO₂
- 14.2 µg/m³
- CO
- 412 µg/m³
- Dust
- 21 µg/m³
Pollen
- Grass
- 42 gr/m³
- Birch
- 8 gr/m³
Sun & UV
- Sunrise
- 4:58 AM
- Sunset
- 7:08 PM
- Daylight
- 14h 10m
- Max UV
- 10.4 Very high
Wind
- Wind
- 3 mph
- Gusts
- 18 mph
- Direction
- SW (232°)
Farming weather
Field conditions around Belfast are moderate: topsoil moisture near 0.168 m³/m³, evapotranspiration about 7.6 mm/day, and 12.7 mm of rain expected over the next seven days. Morning spray windows look workable with winds near 11 km/h, and no significant frost or heat stress is signalled for the coming days.
- Topsoil moisture
- 0.16 m³/m³
- Soil temp
- 12°C
- ET₀ today
- 7.6 mm
- Spray window
- ~5:00
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All data for Belfast
| Variable | Value |
|---|---|
| City | Belfast, Northern Ireland, United Kingdom |
| Coordinates | 54.5973, -5.9301 |
| Elevation | 200 m |
| Timezone | Europe/London |
| Population | 343,542 |
| Observed at (local) | 7:00 AM |
| Temperature (2 m) | 11°C |
| Apparent temperature | 11°C |
| Relative humidity (2 m) | 55% |
| Dew point (2 m) | 2°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 2 |
| Cloud cover | 70% |
| Surface pressure | 995 hPa |
| Sea-level pressure | 1012 hPa |
| Wind speed (10 m) | 3 mph |
| Wind gusts (10 m) | 18 mph |
| Wind direction (10 m) | 232° (SW) |
| Visibility | 6 mi |
| UV index | 6.1 |
| Day / night | Day |
| Today max / min | 20°C / 10°C |
| Today feels-like max / min | 21°C / 9°C |
| Today precipitation sum | 0 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 15% |
| Today max wind / gusts | 12 mph / 19 mph |
| Dominant wind direction | 215° (SW) |
| Sunrise / sunset | 4:58 AM / 7:08 PM |
| Daylight duration | 14h 10m |
| Sunshine duration | 9h 55m |
| Max UV index | 10.4 |
| Reference evapotranspiration (ET₀) | 7.6 mm |
| Topsoil moisture (0–1 cm) | 0.16 m³/m³ |
| Surface soil temperature | 12°C |
| US AQI | 36 |
| European AQI | 74 |
| PM2.5 | 14.4 µg/m³ |
| PM10 | 64 µg/m³ |
| Ozone (O₃) | 96 µg/m³ |
| Nitrogen dioxide (NO₂) | 38.6 µg/m³ |
| Sulphur dioxide (SO₂) | 14.2 µg/m³ |
| Carbon monoxide (CO) | 412 µg/m³ |
| Dust | 21 µg/m³ |
| Birch pollen | 8 gr/m³ |
| Grass pollen | 42 gr/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/gb/northern-ireland/belfast" width="320" height="180" frameborder="0" title="Belfast weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Belfast this week?
The highest chance of precipitation is 70% during the next seven days.
How warm will Belfast get today?
Today's high is forecast near 20°C with a low of about 10°C.
Is the air quality in Belfast healthy right now?
The US AQI is around 36, in the Good band.
What are the sunrise and sunset times in Belfast?
Sunrise is around 04:58 and sunset around 19:08 local time.