Weather Forecast for Caernarfon
Gwynedd, United Kingdom
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Current Weather - Caernarfon: 14°C
Current Weather - Caernarfon: 14°C
Gwynedd, United Kingdom
Light rain shower
Feels like 13°C
Wind
13 km/h SW
Humidity
90%
Pressure
1016 mb
UV Index
2
Visibility
10 km
Patchy rain nearby
Sunday, May 31, 2026
High
16°C
Low
12°C
Rain Chance
97%
Hourly Forecast
14°C
15°C
15°C
15°C
16°C
16°C
16°C
15°C
15°C
14°C
14°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
18 km/h
Humidity
88%
Precipitation
2 mm
UV Index
5
Visibility
9 km
Rain Chance
97%
Snow Chance
0%
Sun & Moon
Sunrise
04:57 AM
Sunset
09:32 PM
Moonrise
10:53 PM
Moonset
04:21 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
8.1
μg/m³
PM10
12.2
μg/m³
NO₂
2.9
μg/m³
O₃
69.1
μg/m³
SO₂
1.6
μg/m³
CO
104.4
μg/m³
Moderate rain
Monday, June 01, 2026
High
14°C
Low
12°C
Rain Chance
90%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
13°C
13°C
14°C
13°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
13°C
Day Statistics
Maximum Wind
23 km/h
Humidity
97%
Precipitation
16 mm
UV Index
1
Visibility
8 km
Rain Chance
90%
Snow Chance
0%
Sun & Moon
Sunrise
04:56 AM
Sunset
09:33 PM
Moonrise
11:46 PM
Moonset
05:04 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
4.7
μg/m³
PM10
6.7
μg/m³
NO₂
7.7
μg/m³
O₃
48.9
μg/m³
SO₂
1.1
μg/m³
CO
104.1
μg/m³
Patchy rain nearby
Tuesday, June 02, 2026
High
16°C
Low
13°C
Rain Chance
89%
Hourly Forecast
13°C
13°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
15°C
16°C
16°C
15°C
15°C
14°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
17 km/h
Humidity
91%
Precipitation
2 mm
UV Index
5
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
04:55 AM
Sunset
09:34 PM
Moonrise
Does not rise today
Moonset
06:01 AM
Moon Phase
Waning Gibbous
Moon Illumination
90%
Air Quality
PM2.5
4.8
μg/m³
PM10
6.8
μg/m³
NO₂
3.6
μg/m³
O₃
61.4
μg/m³
SO₂
1
μg/m³
CO
118.2
μg/m³
Patchy rain nearby
Wednesday, June 03, 2026
High
15°C
Low
10°C
Rain Chance
89%
Hourly Forecast
13°C
13°C
13°C
11°C
11°C
10°C
11°C
12°C
13°C
13°C
12°C
13°C
14°C
14°C
14°C
15°C
15°C
15°C
14°C
13°C
13°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
39 km/h
Humidity
93%
Precipitation
4 mm
UV Index
3
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
04:54 AM
Sunset
09:35 PM
Moonrise
12:23 AM
Moonset
07:09 AM
Moon Phase
Waning Gibbous
Moon Illumination
83%
Air Quality
PM2.5
5.3
μg/m³
PM10
8.7
μg/m³
NO₂
1.6
μg/m³
O₃
60.5
μg/m³
SO₂
0.8
μg/m³
CO
109.4
μg/m³
Patchy rain nearby
Thursday, June 04, 2026
High
14°C
Low
11°C
Rain Chance
87%
Hourly Forecast
12°C
12°C
11°C
11°C
11°C
11°C
11°C
11°C
12°C
13°C
12°C
13°C
13°C
14°C
14°C
14°C
14°C
13°C
13°C
13°C
12°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
36 km/h
Humidity
82%
Precipitation
2 mm
UV Index
4
Visibility
9 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
04:54 AM
Sunset
09:36 PM
Moonrise
12:49 AM
Moonset
08:22 AM
Moon Phase
Waning Gibbous
Moon Illumination
74%
Air Quality
PM2.5
3.9
μg/m³
PM10
6.4
μg/m³
NO₂
1.3
μg/m³
O₃
68.4
μg/m³
SO₂
0.5
μg/m³
CO
111.7
μg/m³
Patchy rain nearby
Friday, June 05, 2026
High
14°C
Low
8°C
Rain Chance
73%
Hourly Forecast
10°C
10°C
9°C
9°C
8°C
9°C
9°C
10°C
11°C
11°C
11°C
12°C
12°C
13°C
13°C
14°C
14°C
14°C
14°C
14°C
13°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
49 km/h
Humidity
90%
Precipitation
2 mm
UV Index
3
Visibility
7 km
Rain Chance
73%
Snow Chance
0%
Sun & Moon
Sunrise
04:53 AM
Sunset
09:37 PM
Moonrise
01:08 AM
Moonset
09:38 AM
Moon Phase
Last Quarter
Moon Illumination
64%
Patchy rain nearby
Saturday, June 06, 2026
High
14°C
Low
10°C
Rain Chance
89%
Hourly Forecast
12°C
12°C
12°C
11°C
10°C
10°C
10°C
10°C
11°C
12°C
12°C
13°C
13°C
14°C
14°C
14°C
14°C
14°C
14°C
13°C
13°C
12°C
12°C
12°C
Day Statistics
Maximum Wind
48 km/h
Humidity
82%
Precipitation
1 mm
UV Index
3
Visibility
10 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
04:52 AM
Sunset
09:38 PM
Moonrise
01:21 AM
Moonset
10:52 AM
Moon Phase
Last Quarter
Moon Illumination
54%
Solar Radiation Data
Shortwave Radiation
217.06
Diffuse Radiation
105.34
DNI
273.84
GTI
177.21
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