Weather Forecast for Caernarfon
Gwynedd, United Kingdom
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Current Weather - Caernarfon: 17°C
Current Weather - Caernarfon: 17°C
Gwynedd, United Kingdom
Sunny
Feels like 17°C
Wind
11 km/h W
Humidity
77%
Pressure
1019 mb
UV Index
6
Visibility
10 km
Patchy rain nearby
Saturday, June 20, 2026
High
17°C
Low
10°C
Rain Chance
57%
Hourly Forecast
16°C
17°C
17°C
17°C
17°C
17°C
16°C
16°C
13°C
11°C
10°C
Day Statistics
Maximum Wind
20 km/h
Humidity
82%
Precipitation
1 mm
UV Index
6
Visibility
9 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
04:49 AM
Sunset
09:47 PM
Moonrise
11:22 AM
Moonset
12:38 AM
Moon Phase
First Quarter
Moon Illumination
38%
Air Quality
PM2.5
2.6
μg/m³
PM10
4.7
μg/m³
NO₂
1.7
μg/m³
O₃
51.1
μg/m³
SO₂
0.2
μg/m³
CO
101.2
μg/m³
Sunny
Sunday, June 21, 2026
High
20°C
Low
9°C
Rain Chance
8%
Hourly Forecast
10°C
10°C
10°C
10°C
9°C
9°C
10°C
13°C
15°C
17°C
18°C
18°C
19°C
19°C
20°C
20°C
20°C
20°C
20°C
18°C
17°C
15°C
15°C
14°C
Day Statistics
Maximum Wind
10 km/h
Humidity
73%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
04:50 AM
Sunset
09:47 PM
Moonrise
12:48 PM
Moonset
12:50 AM
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
2.8
μg/m³
PM10
4.1
μg/m³
NO₂
2.1
μg/m³
O₃
60.7
μg/m³
SO₂
0.2
μg/m³
CO
103.8
μg/m³
Sunny
Monday, June 22, 2026
High
23°C
Low
14°C
Rain Chance
11%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
15°C
17°C
18°C
20°C
21°C
22°C
22°C
23°C
23°C
22°C
22°C
22°C
21°C
21°C
19°C
16°C
15°C
14°C
Day Statistics
Maximum Wind
10 km/h
Humidity
80%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
11%
Snow Chance
0%
Sun & Moon
Sunrise
04:50 AM
Sunset
09:47 PM
Moonrise
02:11 PM
Moonset
01:00 AM
Moon Phase
First Quarter
Moon Illumination
59%
Air Quality
PM2.5
5.8
μg/m³
PM10
8
μg/m³
NO₂
3.1
μg/m³
O₃
68.2
μg/m³
SO₂
0.3
μg/m³
CO
121.4
μg/m³
Sunny
Tuesday, June 23, 2026
High
22°C
Low
13°C
Rain Chance
9%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
13°C
14°C
16°C
17°C
19°C
20°C
20°C
21°C
21°C
21°C
22°C
22°C
21°C
21°C
21°C
20°C
17°C
15°C
15°C
Day Statistics
Maximum Wind
9 km/h
Humidity
77%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
04:50 AM
Sunset
09:47 PM
Moonrise
03:33 PM
Moonset
01:10 AM
Moon Phase
Waxing Gibbous
Moon Illumination
69%
Air Quality
PM2.5
17.9
μg/m³
PM10
19.2
μg/m³
NO₂
6.1
μg/m³
O₃
87.8
μg/m³
SO₂
0.9
μg/m³
CO
107
μg/m³
Sunny
Wednesday, June 24, 2026
High
24°C
Low
13°C
Rain Chance
9%
Hourly Forecast
15°C
14°C
16°C
16°C
13°C
15°C
16°C
16°C
20°C
21°C
19°C
22°C
23°C
21°C
24°C
24°C
21°C
24°C
23°C
19°C
17°C
16°C
14°C
14°C
Day Statistics
Maximum Wind
13 km/h
Humidity
79%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
04:51 AM
Sunset
09:48 PM
Moonrise
04:55 PM
Moonset
01:22 AM
Moon Phase
Waxing Gibbous
Moon Illumination
79%
Air Quality
PM2.5
10.5
μg/m³
PM10
11.8
μg/m³
NO₂
5.2
μg/m³
O₃
70.8
μg/m³
SO₂
0.8
μg/m³
CO
117.4
μg/m³
Sunny
Thursday, June 25, 2026
High
25°C
Low
14°C
Rain Chance
6%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
15°C
16°C
17°C
18°C
20°C
21°C
22°C
23°C
24°C
24°C
25°C
25°C
24°C
23°C
22°C
20°C
18°C
16°C
15°C
Day Statistics
Maximum Wind
19 km/h
Humidity
71%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
04:51 AM
Sunset
09:48 PM
Moonrise
06:16 PM
Moonset
01:36 AM
Moon Phase
Waxing Gibbous
Moon Illumination
87%
Patchy rain nearby
Friday, June 26, 2026
High
24°C
Low
12°C
Rain Chance
57%
Hourly Forecast
14°C
13°C
13°C
12°C
12°C
12°C
12°C
13°C
15°C
16°C
18°C
19°C
21°C
22°C
23°C
23°C
24°C
23°C
21°C
19°C
18°C
17°C
15°C
15°C
Day Statistics
Maximum Wind
24 km/h
Humidity
66%
Precipitation
1 mm
UV Index
4
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
04:51 AM
Sunset
09:48 PM
Moonrise
07:34 PM
Moonset
01:55 AM
Moon Phase
Waxing Gibbous
Moon Illumination
93%
Solar Radiation Data
Shortwave Radiation
483.14
Diffuse Radiation
155.34
DNI
0
GTI
0
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