Weather Forecast for Caernarfon
Gwynedd, United Kingdom
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Current Weather - Caernarfon: 15°C
Current Weather - Caernarfon: 15°C
Gwynedd, United Kingdom
Partly cloudy
Feels like 14°C
Wind
23 km/h W
Humidity
67%
Pressure
1023 mb
UV Index
6
Visibility
10 km
Patchy rain nearby
Saturday, June 13, 2026
High
15°C
Low
10°C
Rain Chance
21%
Hourly Forecast
14°C
14°C
15°C
15°C
15°C
15°C
15°C
14°C
12°C
10°C
10°C
Day Statistics
Maximum Wind
26 km/h
Humidity
78%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
21%
Snow Chance
0%
Sun & Moon
Sunrise
04:50 AM
Sunset
09:44 PM
Moonrise
02:44 AM
Moonset
08:14 PM
Moon Phase
New Moon
Moon Illumination
1%
Air Quality
PM2.5
4.7
μg/m³
PM10
13
μg/m³
NO₂
0.9
μg/m³
O₃
70.1
μg/m³
SO₂
0.3
μg/m³
CO
108.2
μg/m³
Patchy rain nearby
Sunday, June 14, 2026
High
15°C
Low
8°C
Rain Chance
26%
Hourly Forecast
10°C
9°C
9°C
8°C
8°C
8°C
10°C
11°C
11°C
12°C
13°C
14°C
14°C
14°C
14°C
15°C
15°C
14°C
14°C
14°C
13°C
12°C
9°C
8°C
Day Statistics
Maximum Wind
16 km/h
Humidity
83%
Precipitation
0 mm
UV Index
5
Visibility
9 km
Rain Chance
26%
Snow Chance
0%
Sun & Moon
Sunrise
04:49 AM
Sunset
09:44 PM
Moonrise
03:14 AM
Moonset
09:39 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
3.7
μg/m³
PM10
7.1
μg/m³
NO₂
2
μg/m³
O₃
59.1
μg/m³
SO₂
0.2
μg/m³
CO
106.2
μg/m³
Patchy rain nearby
Monday, June 15, 2026
High
17°C
Low
7°C
Rain Chance
36%
Hourly Forecast
8°C
8°C
7°C
7°C
8°C
8°C
9°C
12°C
14°C
15°C
15°C
16°C
16°C
17°C
17°C
17°C
17°C
16°C
16°C
15°C
13°C
13°C
12°C
13°C
Day Statistics
Maximum Wind
13 km/h
Humidity
80%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
36%
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
5.9
μg/m³
PM10
10.2
μg/m³
NO₂
2.4
μg/m³
O₃
59.3
μg/m³
SO₂
0.2
μg/m³
CO
107.5
μg/m³
Moderate rain
Tuesday, June 16, 2026
High
18°C
Low
12°C
Rain Chance
83%
Hourly Forecast
12°C
13°C
12°C
12°C
13°C
12°C
13°C
15°C
15°C
17°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
18°C
16°C
14°C
14°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
27 km/h
Humidity
85%
Precipitation
8 mm
UV Index
5
Visibility
10 km
Rain Chance
83%
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
10.3
μg/m³
PM10
14.8
μg/m³
NO₂
4
μg/m³
O₃
54.6
μg/m³
SO₂
1.1
μg/m³
CO
95.8
μg/m³
Moderate rain
Wednesday, June 17, 2026
High
17°C
Low
12°C
Rain Chance
85%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
17°C
17°C
17°C
17°C
16°C
16°C
15°C
14°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
31 km/h
Humidity
91%
Precipitation
5 mm
UV Index
3
Visibility
8 km
Rain Chance
85%
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
2.5
μg/m³
PM10
4
μg/m³
NO₂
2
μg/m³
O₃
51.6
μg/m³
SO₂
0.6
μg/m³
CO
103.1
μg/m³
Patchy rain nearby
Thursday, June 18, 2026
High
18°C
Low
12°C
Rain Chance
55%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
12°C
13°C
14°C
15°C
15°C
16°C
17°C
17°C
18°C
17°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
21 km/h
Humidity
89%
Precipitation
1 mm
UV Index
3
Visibility
9 km
Rain Chance
55%
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%
Patchy rain nearby
Friday, June 19, 2026
High
18°C
Low
15°C
Rain Chance
66%
Hourly Forecast
16°C
16°C
16°C
16°C
15°C
15°C
15°C
15°C
16°C
16°C
16°C
17°C
17°C
17°C
18°C
18°C
18°C
18°C
17°C
17°C
16°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
13 km/h
Humidity
95%
Precipitation
0 mm
UV Index
4
Visibility
6 km
Rain Chance
66%
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%
Solar Radiation Data
Shortwave Radiation
230.44
Diffuse Radiation
115.02
DNI
0
GTI
0
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