Weather Forecast for Holyhead
Isle of Anglesey, United Kingdom
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Current Weather - Holyhead: 15°C
Current Weather - Holyhead: 15°C
Isle of Anglesey, United Kingdom
Overcast
Feels like 8°C
Wind
35 km/h WSW
Humidity
71%
Pressure
1013 mb
UV Index
3
Visibility
10 km
Overcast
Friday, September 04, 2026
High
17°C
Low
14°C
Rain Chance
75%
Hourly Forecast
15°C
16°C
16°C
17°C
17°C
17°C
17°C
16°C
16°C
16°C
15°C
15°C
Day Statistics
Maximum Wind
35 km/h
Humidity
80%
Precipitation
3 mm
UV Index
4
Visibility
10 km
Rain Chance
75%
Snow Chance
0%
Sun & Moon
Sunrise
06:33 AM
Sunset
08:01 PM
Moonrise
10:17 PM
Moonset
03:53 PM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
3.4
μg/m³
PM10
11.7
μg/m³
NO₂
1.3
μg/m³
O₃
64.8
μg/m³
SO₂
0.2
μg/m³
CO
138.8
μg/m³
Overcast
Saturday, September 05, 2026
High
16°C
Low
13°C
Rain Chance
15%
Hourly Forecast
14°C
14°C
14°C
13°C
13°C
13°C
13°C
13°C
14°C
14°C
15°C
15°C
15°C
16°C
16°C
15°C
15°C
16°C
16°C
15°C
15°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
31 km/h
Humidity
78%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
06:35 AM
Sunset
07:59 PM
Moonrise
11:15 PM
Moonset
05:02 PM
Moon Phase
Waning Crescent
Moon Illumination
29%
Air Quality
PM2.5
3.6
μg/m³
PM10
13.7
μg/m³
NO₂
1.2
μg/m³
O₃
67.3
μg/m³
SO₂
0.2
μg/m³
CO
141.8
μg/m³
Sunny
Sunday, September 06, 2026
High
20°C
Low
14°C
Rain Chance
16%
Hourly Forecast
14°C
15°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
17°C
18°C
18°C
19°C
19°C
20°C
20°C
20°C
20°C
19°C
18°C
17°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
34 km/h
Humidity
75%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
16%
Snow Chance
0%
Sun & Moon
Sunrise
06:37 AM
Sunset
07:56 PM
Moonrise
Does not rise today
Moonset
05:54 PM
Moon Phase
Waning Crescent
Moon Illumination
20%
Air Quality
PM2.5
4.9
μg/m³
PM10
14.8
μg/m³
NO₂
1.3
μg/m³
O₃
72.2
μg/m³
SO₂
0.3
μg/m³
CO
136
μg/m³
Overcast
Monday, September 07, 2026
High
17°C
Low
14°C
Rain Chance
83%
Hourly Forecast
17°C
17°C
17°C
16°C
15°C
14°C
14°C
14°C
14°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
15°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
36 km/h
Humidity
82%
Precipitation
5 mm
UV Index
4
Visibility
10 km
Rain Chance
83%
Snow Chance
0%
Sun & Moon
Sunrise
06:38 AM
Sunset
07:54 PM
Moonrise
12:33 AM
Moonset
06:28 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Air Quality
PM2.5
8.8
μg/m³
PM10
14.1
μg/m³
NO₂
1.7
μg/m³
O₃
70.4
μg/m³
SO₂
0.6
μg/m³
CO
110.7
μg/m³
Patchy rain nearby
Tuesday, September 08, 2026
High
16°C
Low
12°C
Rain Chance
71%
Hourly Forecast
14°C
13°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
14°C
13°C
14°C
15°C
14°C
15°C
16°C
15°C
15°C
15°C
14°C
14°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
37 km/h
Humidity
73%
Precipitation
5 mm
UV Index
5
Visibility
10 km
Rain Chance
71%
Snow Chance
0%
Sun & Moon
Sunrise
06:40 AM
Sunset
07:52 PM
Moonrise
02:06 AM
Moonset
06:52 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Air Quality
PM2.5
6.6
μg/m³
PM10
10.7
μg/m³
NO₂
1.2
μg/m³
O₃
67.8
μg/m³
SO₂
0.5
μg/m³
CO
148.5
μg/m³
Patchy rain nearby
Wednesday, September 09, 2026
High
15°C
Low
12°C
Rain Chance
66%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
14°C
14°C
14°C
15°C
15°C
15°C
15°C
14°C
14°C
14°C
14°C
14°C
13°C
Day Statistics
Maximum Wind
29 km/h
Humidity
76%
Precipitation
2 mm
UV Index
3
Visibility
10 km
Rain Chance
66%
Snow Chance
0%
Sun & Moon
Sunrise
06:42 AM
Sunset
07:49 PM
Moonrise
03:43 AM
Moonset
07:08 PM
Moon Phase
New Moon
Moon Illumination
2%
Patchy rain nearby
Thursday, September 10, 2026
High
15°C
Low
12°C
Rain Chance
71%
Hourly Forecast
13°C
13°C
13°C
13°C
13°C
13°C
12°C
12°C
13°C
13°C
14°C
14°C
15°C
15°C
15°C
15°C
15°C
15°C
14°C
14°C
13°C
13°C
13°C
13°C
Day Statistics
Maximum Wind
19 km/h
Humidity
77%
Precipitation
3 mm
UV Index
4
Visibility
10 km
Rain Chance
71%
Snow Chance
0%
Sun & Moon
Sunrise
06:43 AM
Sunset
07:47 PM
Moonrise
05:19 AM
Moonset
07:21 PM
Moon Phase
New Moon
Moon Illumination
0%
Solar Radiation Data
Shortwave Radiation
200.53
Diffuse Radiation
100.66
DNI
0
GTI
0
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