Weather Forecast for Holyhead
Isle of Anglesey, United Kingdom
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Current Weather - Holyhead: 18°C
Current Weather - Holyhead: 18°C
Isle of Anglesey, United Kingdom
Partly cloudy
Feels like 18°C
Wind
13 km/h SW
Humidity
64%
Pressure
1018 mb
UV Index
4
Visibility
10 km
Sunny
Friday, July 24, 2026
High
18°C
Low
12°C
Rain Chance
11%
Hourly Forecast
17°C
18°C
17°C
16°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
17 km/h
Humidity
80%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
11%
Snow Chance
0%
Sun & Moon
Sunrise
05:22 AM
Sunset
09:27 PM
Moonrise
06:40 PM
Moonset
12:24 AM
Moon Phase
Waxing Gibbous
Moon Illumination
82%
Air Quality
PM2.5
5.4
μg/m³
PM10
8.9
μg/m³
NO₂
2.2
μg/m³
O₃
71.8
μg/m³
SO₂
0.3
μg/m³
CO
105.6
μg/m³
Patchy rain nearby
Saturday, July 25, 2026
High
16°C
Low
15°C
Rain Chance
78%
Hourly Forecast
15°C
16°C
16°C
16°C
15°C
15°C
16°C
15°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
16°C
16°C
16°C
Day Statistics
Maximum Wind
24 km/h
Humidity
88%
Precipitation
3 mm
UV Index
2
Visibility
8 km
Rain Chance
78%
Snow Chance
0%
Sun & Moon
Sunrise
05:24 AM
Sunset
09:25 PM
Moonrise
07:41 PM
Moonset
12:58 AM
Moon Phase
Waxing Gibbous
Moon Illumination
90%
Air Quality
PM2.5
4.5
μg/m³
PM10
8.4
μg/m³
NO₂
2.2
μg/m³
O₃
55.4
μg/m³
SO₂
0.3
μg/m³
CO
108.6
μg/m³
Patchy rain nearby
Sunday, July 26, 2026
High
17°C
Low
15°C
Rain Chance
74%
Hourly Forecast
16°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
17°C
17°C
17°C
17°C
17°C
17°C
16°C
16°C
16°C
15°C
Day Statistics
Maximum Wind
30 km/h
Humidity
84%
Precipitation
2 mm
UV Index
3
Visibility
10 km
Rain Chance
74%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
09:24 PM
Moonrise
08:28 PM
Moonset
01:46 AM
Moon Phase
Waxing Gibbous
Moon Illumination
95%
Air Quality
PM2.5
3.7
μg/m³
PM10
9.4
μg/m³
NO₂
2
μg/m³
O₃
46.5
μg/m³
SO₂
0.3
μg/m³
CO
116.7
μg/m³
Partly Cloudy
Monday, July 27, 2026
High
17°C
Low
13°C
Rain Chance
20%
Hourly Forecast
15°C
14°C
14°C
14°C
14°C
13°C
13°C
14°C
15°C
15°C
15°C
15°C
15°C
16°C
17°C
16°C
17°C
17°C
17°C
17°C
16°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
28 km/h
Humidity
79%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
20%
Snow Chance
0%
Sun & Moon
Sunrise
05:27 AM
Sunset
09:22 PM
Moonrise
09:00 PM
Moonset
02:47 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
7
μg/m³
PM10
10.6
μg/m³
NO₂
1.5
μg/m³
O₃
64.5
μg/m³
SO₂
0.7
μg/m³
CO
102.8
μg/m³
Partly Cloudy
Tuesday, July 28, 2026
High
19°C
Low
15°C
Rain Chance
63%
Hourly Forecast
16°C
16°C
16°C
16°C
15°C
16°C
16°C
16°C
16°C
16°C
17°C
16°C
17°C
19°C
18°C
18°C
19°C
18°C
18°C
18°C
18°C
17°C
16°C
16°C
Day Statistics
Maximum Wind
31 km/h
Humidity
88%
Precipitation
1 mm
UV Index
5
Visibility
10 km
Rain Chance
63%
Snow Chance
0%
Sun & Moon
Sunrise
05:28 AM
Sunset
09:21 PM
Moonrise
09:22 PM
Moonset
03:58 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
9.3
μg/m³
PM10
13.1
μg/m³
NO₂
2.6
μg/m³
O₃
45.9
μg/m³
SO₂
0.8
μg/m³
CO
117
μg/m³
Sunny
Wednesday, July 29, 2026
High
20°C
Low
15°C
Rain Chance
9%
Hourly Forecast
16°C
15°C
15°C
15°C
15°C
15°C
16°C
16°C
17°C
18°C
18°C
19°C
20°C
20°C
20°C
20°C
20°C
20°C
19°C
19°C
18°C
17°C
17°C
16°C
Day Statistics
Maximum Wind
14 km/h
Humidity
76%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
05:30 AM
Sunset
09:19 PM
Moonrise
09:38 PM
Moonset
05:13 AM
Moon Phase
Full Moon
Moon Illumination
99%
Cloudy
Thursday, July 30, 2026
High
19°C
Low
16°C
Rain Chance
15%
Hourly Forecast
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
17°C
17°C
17°C
18°C
18°C
19°C
19°C
19°C
19°C
19°C
18°C
18°C
18°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
23 km/h
Humidity
81%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
05:32 AM
Sunset
09:17 PM
Moonrise
09:50 PM
Moonset
06:29 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Solar Radiation Data
Shortwave Radiation
786.72
Diffuse Radiation
131.61
DNI
0
GTI
0
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