Weather Forecast for Caernarfon
Gwynedd, United Kingdom
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Current Weather - Caernarfon: 21°C
Current Weather - Caernarfon: 21°C
Gwynedd, United Kingdom
Partly cloudy
Feels like 21°C
Wind
13 km/h SSE
Humidity
49%
Pressure
1011 mb
UV Index
5
Visibility
10 km
Patchy rain nearby
Monday, June 15, 2026
High
21°C
Low
10°C
Rain Chance
32%
Hourly Forecast
21°C
20°C
19°C
17°C
15°C
15°C
14°C
14°C
Day Statistics
Maximum Wind
14 km/h
Humidity
79%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
32%
Snow Chance
0%
Sun & Moon
Sunrise
04:49 AM
Sunset
09:45 PM
Moonrise
04:02 AM
Moonset
10:47 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
5.7
μg/m³
PM10
9
μg/m³
NO₂
2.4
μg/m³
O₃
64.3
μg/m³
SO₂
0.3
μg/m³
CO
110.6
μg/m³
Patchy rain nearby
Tuesday, June 16, 2026
High
17°C
Low
13°C
Rain Chance
85%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
13°C
14°C
15°C
16°C
16°C
17°C
16°C
17°C
16°C
15°C
15°C
15°C
15°C
14°C
14°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
22 km/h
Humidity
92%
Precipitation
4 mm
UV Index
5
Visibility
6 km
Rain Chance
85%
Snow Chance
0%
Sun & Moon
Sunrise
04:49 AM
Sunset
09:45 PM
Moonrise
05:12 AM
Moonset
11:34 PM
Moon Phase
Waxing Crescent
Moon Illumination
6%
Air Quality
PM2.5
4.4
μg/m³
PM10
6.8
μg/m³
NO₂
1.5
μg/m³
O₃
55.4
μg/m³
SO₂
0.2
μg/m³
CO
98.5
μg/m³
Moderate rain
Wednesday, June 17, 2026
High
17°C
Low
12°C
Rain Chance
84%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
16°C
16°C
17°C
17°C
16°C
16°C
15°C
14°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
27 km/h
Humidity
92%
Precipitation
5 mm
UV Index
6
Visibility
8 km
Rain Chance
84%
Snow Chance
0%
Sun & Moon
Sunrise
04:49 AM
Sunset
09:46 PM
Moonrise
06:41 AM
Moonset
Does not set today
Moon Phase
Waxing Crescent
Moon Illumination
11%
Air Quality
PM2.5
3.8
μg/m³
PM10
7.3
μg/m³
NO₂
0.8
μg/m³
O₃
59.4
μg/m³
SO₂
0.1
μg/m³
CO
100.6
μg/m³
Patchy rain nearby
Thursday, June 18, 2026
High
17°C
Low
12°C
Rain Chance
59%
Hourly Forecast
13°C
13°C
13°C
13°C
13°C
12°C
14°C
14°C
14°C
14°C
14°C
15°C
16°C
16°C
16°C
16°C
16°C
17°C
17°C
16°C
16°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
25 km/h
Humidity
90%
Precipitation
1 mm
UV Index
6
Visibility
10 km
Rain Chance
59%
Snow Chance
0%
Sun & Moon
Sunrise
04:49 AM
Sunset
09:46 PM
Moonrise
08:17 AM
Moonset
12:04 AM
Moon Phase
Waxing Crescent
Moon Illumination
19%
Air Quality
PM2.5
4.9
μg/m³
PM10
7.7
μg/m³
NO₂
1.6
μg/m³
O₃
60.4
μg/m³
SO₂
1.1
μg/m³
CO
93.7
μg/m³
Patchy rain nearby
Friday, June 19, 2026
High
18°C
Low
14°C
Rain Chance
82%
Hourly Forecast
16°C
16°C
16°C
16°C
16°C
17°C
17°C
16°C
17°C
17°C
16°C
16°C
17°C
17°C
18°C
18°C
16°C
17°C
16°C
15°C
15°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
29 km/h
Humidity
93%
Precipitation
2 mm
UV Index
2
Visibility
9 km
Rain Chance
82%
Snow Chance
0%
Sun & Moon
Sunrise
04:49 AM
Sunset
09:47 PM
Moonrise
09:52 AM
Moonset
12:24 AM
Moon Phase
Waxing Crescent
Moon Illumination
28%
Air Quality
PM2.5
3.5
μg/m³
PM10
5.2
μg/m³
NO₂
2.8
μg/m³
O₃
46.9
μg/m³
SO₂
0.6
μg/m³
CO
98.7
μg/m³
Patchy rain nearby
Saturday, June 20, 2026
High
17°C
Low
11°C
Rain Chance
69%
Hourly Forecast
14°C
14°C
14°C
13°C
13°C
13°C
13°C
13°C
13°C
14°C
14°C
15°C
15°C
16°C
16°C
16°C
17°C
16°C
16°C
16°C
14°C
12°C
11°C
11°C
Day Statistics
Maximum Wind
13 km/h
Humidity
88%
Precipitation
2 mm
UV Index
3
Visibility
9 km
Rain Chance
69%
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%
Sunny
Sunday, June 21, 2026
High
17°C
Low
10°C
Rain Chance
11%
Hourly Forecast
10°C
10°C
10°C
10°C
10°C
11°C
12°C
13°C
14°C
14°C
15°C
16°C
16°C
17°C
17°C
17°C
17°C
16°C
16°C
16°C
14°C
12°C
10°C
10°C
Day Statistics
Maximum Wind
12 km/h
Humidity
78%
Precipitation
0 mm
UV Index
4
Visibility
8 km
Rain Chance
11%
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%
Solar Radiation Data
Shortwave Radiation
720.14
Diffuse Radiation
313.14
DNI
0
GTI
0
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