Weather Forecast for Caernarfon
Isle of Anglesey, United Kingdom
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Current Weather - Caernarfon: 16°C
Current Weather - Caernarfon: 16°C
Isle of Anglesey, United Kingdom
Sunny
Feels like 16°C
Wind
14 km/h W
Humidity
72%
Pressure
1021 mb
UV Index
3
Visibility
10 km
Sunny
Saturday, August 01, 2026
High
18°C
Low
9°C
Rain Chance
17%
Hourly Forecast
16°C
16°C
17°C
17°C
17°C
18°C
18°C
17°C
16°C
15°C
11°C
11°C
10°C
Day Statistics
Maximum Wind
18 km/h
Humidity
75%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
05:34 AM
Sunset
09:12 PM
Moonrise
10:07 PM
Moonset
08:55 AM
Moon Phase
Waning Gibbous
Moon Illumination
83%
Air Quality
PM2.5
3.7
μg/m³
PM10
7.3
μg/m³
NO₂
1.4
μg/m³
O₃
63.3
μg/m³
SO₂
0.2
μg/m³
CO
121.1
μg/m³
Partly Cloudy
Sunday, August 02, 2026
High
21°C
Low
10°C
Rain Chance
8%
Hourly Forecast
10°C
10°C
10°C
10°C
10°C
10°C
10°C
12°C
15°C
17°C
18°C
19°C
20°C
21°C
21°C
20°C
18°C
17°C
17°C
17°C
16°C
14°C
13°C
14°C
Day Statistics
Maximum Wind
14 km/h
Humidity
68%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
05:36 AM
Sunset
09:10 PM
Moonrise
10:15 PM
Moonset
10:07 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
Air Quality
PM2.5
3.9
μg/m³
PM10
6.6
μg/m³
NO₂
1.5
μg/m³
O₃
63.8
μg/m³
SO₂
0.2
μg/m³
CO
120.6
μg/m³
Partly Cloudy
Monday, August 03, 2026
High
26°C
Low
13°C
Rain Chance
57%
Hourly Forecast
14°C
13°C
13°C
14°C
14°C
15°C
15°C
15°C
18°C
20°C
22°C
22°C
23°C
24°C
25°C
26°C
25°C
22°C
19°C
15°C
14°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
13 km/h
Humidity
59%
Precipitation
2 mm
UV Index
6
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
09:08 PM
Moonrise
10:24 PM
Moonset
11:21 AM
Moon Phase
Last Quarter
Moon Illumination
65%
Air Quality
PM2.5
6.3
μg/m³
PM10
10
μg/m³
NO₂
3.3
μg/m³
O₃
72.3
μg/m³
SO₂
0.5
μg/m³
CO
135.8
μg/m³
Patchy rain nearby
Tuesday, August 04, 2026
High
22°C
Low
14°C
Rain Chance
68%
Hourly Forecast
14°C
14°C
14°C
15°C
15°C
14°C
14°C
15°C
16°C
17°C
17°C
17°C
18°C
19°C
21°C
22°C
22°C
21°C
20°C
20°C
18°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
19 km/h
Humidity
85%
Precipitation
2 mm
UV Index
3
Visibility
9 km
Rain Chance
68%
Snow Chance
0%
Sun & Moon
Sunrise
05:39 AM
Sunset
09:07 PM
Moonrise
10:34 PM
Moonset
12:37 PM
Moon Phase
Last Quarter
Moon Illumination
55%
Air Quality
PM2.5
7.1
μg/m³
PM10
9.4
μg/m³
NO₂
4.9
μg/m³
O₃
65.6
μg/m³
SO₂
1.3
μg/m³
CO
115.1
μg/m³
Patchy rain nearby
Wednesday, August 05, 2026
High
20°C
Low
10°C
Rain Chance
73%
Hourly Forecast
16°C
17°C
14°C
14°C
15°C
15°C
15°C
13°C
17°C
18°C
15°C
20°C
20°C
18°C
20°C
20°C
18°C
19°C
18°C
17°C
15°C
13°C
10°C
10°C
Day Statistics
Maximum Wind
21 km/h
Humidity
83%
Precipitation
3 mm
UV Index
5
Visibility
9 km
Rain Chance
73%
Snow Chance
0%
Sun & Moon
Sunrise
05:41 AM
Sunset
09:05 PM
Moonrise
10:48 PM
Moonset
01:57 PM
Moon Phase
Last Quarter
Moon Illumination
44%
Air Quality
PM2.5
5.5
μg/m³
PM10
8.1
μg/m³
NO₂
2
μg/m³
O₃
63.6
μg/m³
SO₂
0.7
μg/m³
CO
124.8
μg/m³
Patchy rain nearby
Thursday, August 06, 2026
High
17°C
Low
10°C
Rain Chance
20%
Hourly Forecast
10°C
10°C
11°C
11°C
11°C
11°C
12°C
12°C
13°C
14°C
15°C
15°C
16°C
16°C
16°C
17°C
17°C
17°C
17°C
17°C
15°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
17 km/h
Humidity
72%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
20%
Snow Chance
0%
Sun & Moon
Sunrise
05:42 AM
Sunset
09:03 PM
Moonrise
11:08 PM
Moonset
03:21 PM
Moon Phase
Last Quarter
Moon Illumination
34%
Patchy rain nearby
Friday, August 07, 2026
High
18°C
Low
12°C
Rain Chance
21%
Hourly Forecast
13°C
13°C
13°C
13°C
13°C
13°C
12°C
12°C
14°C
15°C
16°C
17°C
17°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
16°C
14°C
12°C
12°C
Day Statistics
Maximum Wind
17 km/h
Humidity
74%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
21%
Snow Chance
0%
Sun & Moon
Sunrise
05:44 AM
Sunset
09:01 PM
Moonrise
11:38 PM
Moonset
04:46 PM
Moon Phase
Waning Crescent
Moon Illumination
24%
Solar Radiation Data
Shortwave Radiation
322.18
Diffuse Radiation
98.37
DNI
0
GTI
0
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