Weather Forecast for Belfast
Belfast, United Kingdom
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Current Weather - Belfast: 18°C
Current Weather - Belfast: 18°C
Belfast, United Kingdom
Patchy rain nearby
Feels like 16°C
Wind
20 km/h SW
Humidity
87%
Pressure
1011 mb
UV Index
0
Visibility
10 km
Patchy rain nearby
Wednesday, September 02, 2026
High
18°C
Low
12°C
Rain Chance
63%
Hourly Forecast
17°C
16°C
17°C
17°C
Day Statistics
Maximum Wind
24 km/h
Humidity
92%
Precipitation
0 mm
UV Index
2
Visibility
7 km
Rain Chance
63%
Snow Chance
0%
Sun & Moon
Sunrise
06:33 AM
Sunset
08:13 PM
Moonrise
09:12 PM
Moonset
01:21 PM
Moon Phase
Last Quarter
Moon Illumination
60%
Air Quality
PM2.5
2.3
μg/m³
PM10
3.4
μg/m³
NO₂
3.7
μg/m³
O₃
48.2
μg/m³
SO₂
0.2
μg/m³
CO
136.4
μg/m³
Overcast
Thursday, September 03, 2026
High
20°C
Low
13°C
Rain Chance
85%
Hourly Forecast
17°C
16°C
15°C
15°C
15°C
14°C
14°C
14°C
15°C
15°C
16°C
17°C
19°C
19°C
19°C
20°C
18°C
16°C
14°C
13°C
13°C
13°C
13°C
13°C
Day Statistics
Maximum Wind
28 km/h
Humidity
85%
Precipitation
5 mm
UV Index
3
Visibility
10 km
Rain Chance
85%
Snow Chance
0%
Sun & Moon
Sunrise
06:34 AM
Sunset
08:11 PM
Moonrise
09:34 PM
Moonset
02:47 PM
Moon Phase
Last Quarter
Moon Illumination
50%
Air Quality
PM2.5
3.8
μg/m³
PM10
7
μg/m³
NO₂
3
μg/m³
O₃
55
μg/m³
SO₂
0.3
μg/m³
CO
136.8
μg/m³
Patchy rain nearby
Friday, September 04, 2026
High
16°C
Low
10°C
Rain Chance
55%
Hourly Forecast
13°C
12°C
12°C
12°C
11°C
10°C
10°C
10°C
10°C
11°C
12°C
14°C
15°C
16°C
16°C
16°C
16°C
15°C
15°C
13°C
12°C
12°C
10°C
10°C
Day Statistics
Maximum Wind
35 km/h
Humidity
79%
Precipitation
1 mm
UV Index
4
Visibility
10 km
Rain Chance
55%
Snow Chance
0%
Sun & Moon
Sunrise
06:36 AM
Sunset
08:08 PM
Moonrise
10:11 PM
Moonset
04:10 PM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
3
μg/m³
PM10
7.2
μg/m³
NO₂
2.7
μg/m³
O₃
56.7
μg/m³
SO₂
0.3
μg/m³
CO
146.1
μg/m³
Overcast
Saturday, September 05, 2026
High
16°C
Low
9°C
Rain Chance
36%
Hourly Forecast
9°C
9°C
9°C
9°C
9°C
9°C
9°C
9°C
10°C
12°C
14°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
15°C
14°C
12°C
11°C
12°C
13°C
Day Statistics
Maximum Wind
20 km/h
Humidity
80%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:38 AM
Sunset
08:06 PM
Moonrise
11:08 PM
Moonset
05:20 PM
Moon Phase
Waning Crescent
Moon Illumination
29%
Air Quality
PM2.5
7.7
μg/m³
PM10
12.2
μg/m³
NO₂
2.1
μg/m³
O₃
59.3
μg/m³
SO₂
0.6
μg/m³
CO
106
μg/m³
Overcast
Sunday, September 06, 2026
High
19°C
Low
10°C
Rain Chance
29%
Hourly Forecast
13°C
13°C
12°C
11°C
13°C
10°C
10°C
12°C
12°C
14°C
13°C
17°C
18°C
18°C
18°C
18°C
19°C
19°C
18°C
16°C
16°C
15°C
16°C
15°C
Day Statistics
Maximum Wind
21 km/h
Humidity
80%
Precipitation
0 mm
UV Index
5
Visibility
9 km
Rain Chance
29%
Snow Chance
0%
Sun & Moon
Sunrise
06:40 AM
Sunset
08:03 PM
Moonrise
Does not rise today
Moonset
06:10 PM
Moon Phase
Waning Crescent
Moon Illumination
20%
Air Quality
PM2.5
6.6
μg/m³
PM10
10.1
μg/m³
NO₂
2.8
μg/m³
O₃
59.7
μg/m³
SO₂
0.9
μg/m³
CO
128.9
μg/m³
Patchy rain nearby
Monday, September 07, 2026
High
17°C
Low
11°C
Rain Chance
54%
Hourly Forecast
16°C
16°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
17°C
16°C
16°C
15°C
14°C
13°C
11°C
11°C
Day Statistics
Maximum Wind
30 km/h
Humidity
82%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
54%
Snow Chance
0%
Sun & Moon
Sunrise
06:42 AM
Sunset
08:01 PM
Moonrise
12:28 AM
Moonset
06:42 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Patchy rain nearby
Tuesday, September 08, 2026
High
15°C
Low
11°C
Rain Chance
87%
Hourly Forecast
11°C
11°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
14°C
14°C
15°C
15°C
15°C
15°C
14°C
12°C
11°C
11°C
Day Statistics
Maximum Wind
22 km/h
Humidity
88%
Precipitation
8 mm
UV Index
4
Visibility
10 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
06:44 AM
Sunset
07:58 PM
Moonrise
02:03 AM
Moonset
07:03 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Solar Radiation Data
Shortwave Radiation
105.28
Diffuse Radiation
60.47
DNI
0
GTI
0
Weather Alerts
Small Craft warning from Mizen Head to Bloody Foreland to Howth Head
Southwest to west winds will reach force 6 or higher.
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