Weather Forecast for Caernarfon
Gwynedd, United Kingdom
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Current Weather - Caernarfon: 15°C
Current Weather - Caernarfon: 15°C
Gwynedd, United Kingdom
Patchy rain nearby
Feels like 9°C
Wind
36 km/h SSW
Humidity
88%
Pressure
1013 mb
UV Index
0
Visibility
10 km
Patchy rain nearby
Thursday, October 15, 2026
High
15°C
Low
9°C
Rain Chance
91%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
13°C
12°C
12°C
12°C
11°C
10°C
10°C
10°C
10°C
9°C
Day Statistics
Maximum Wind
42 km/h
Humidity
92%
Precipitation
8 mm
UV Index
0
Visibility
8 km
Rain Chance
91%
Snow Chance
0%
Sun & Moon
Sunrise
07:43 AM
Sunset
06:21 PM
Moonrise
02:07 PM
Moonset
08:18 PM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
3
μg/m³
PM10
8.2
μg/m³
NO₂
1.4
μg/m³
O₃
74.9
μg/m³
SO₂
0.1
μg/m³
CO
128.4
μg/m³
Patchy rain nearby
Friday, October 16, 2026
High
11°C
Low
7°C
Rain Chance
80%
Hourly Forecast
10°C
10°C
9°C
7°C
7°C
7°C
7°C
7°C
7°C
8°C
10°C
11°C
11°C
11°C
11°C
11°C
11°C
10°C
8°C
7°C
7°C
7°C
7°C
7°C
Day Statistics
Maximum Wind
22 km/h
Humidity
85%
Precipitation
4 mm
UV Index
2
Visibility
10 km
Rain Chance
80%
Snow Chance
0%
Sun & Moon
Sunrise
07:45 AM
Sunset
06:19 PM
Moonrise
02:56 PM
Moonset
09:20 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
2.9
μg/m³
PM10
6.9
μg/m³
NO₂
1.9
μg/m³
O₃
67.7
μg/m³
SO₂
0.2
μg/m³
CO
150.8
μg/m³
Sunny
Saturday, October 17, 2026
High
12°C
Low
6°C
Rain Chance
11%
Hourly Forecast
7°C
7°C
7°C
7°C
7°C
7°C
7°C
6°C
6°C
8°C
11°C
12°C
12°C
12°C
12°C
12°C
11°C
11°C
8°C
7°C
7°C
7°C
6°C
6°C
Day Statistics
Maximum Wind
17 km/h
Humidity
78%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
11%
Snow Chance
0%
Sun & Moon
Sunrise
07:47 AM
Sunset
06:17 PM
Moonrise
03:30 PM
Moonset
10:30 PM
Moon Phase
First Quarter
Moon Illumination
47%
Air Quality
PM2.5
2
μg/m³
PM10
5.1
μg/m³
NO₂
2.1
μg/m³
O₃
66.5
μg/m³
SO₂
0.3
μg/m³
CO
151.7
μg/m³
Sunny
Sunday, October 18, 2026
High
11°C
Low
4°C
Rain Chance
21%
Hourly Forecast
5°C
5°C
5°C
4°C
4°C
5°C
5°C
6°C
6°C
8°C
10°C
11°C
11°C
11°C
11°C
11°C
11°C
10°C
9°C
9°C
9°C
9°C
10°C
11°C
Day Statistics
Maximum Wind
22 km/h
Humidity
74%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
21%
Snow Chance
0%
Sun & Moon
Sunrise
07:49 AM
Sunset
06:15 PM
Moonrise
03:54 PM
Moonset
11:45 PM
Moon Phase
First Quarter
Moon Illumination
58%
Air Quality
PM2.5
9
μg/m³
PM10
14.3
μg/m³
NO₂
3.3
μg/m³
O₃
68.3
μg/m³
SO₂
1
μg/m³
CO
115.5
μg/m³
Sunny
Monday, October 19, 2026
High
16°C
Low
9°C
Rain Chance
51%
Hourly Forecast
9°C
11°C
11°C
11°C
10°C
11°C
11°C
12°C
12°C
13°C
13°C
13°C
14°C
15°C
15°C
16°C
16°C
15°C
13°C
12°C
12°C
12°C
11°C
11°C
Day Statistics
Maximum Wind
28 km/h
Humidity
83%
Precipitation
1 mm
UV Index
5
Visibility
9 km
Rain Chance
51%
Snow Chance
0%
Sun & Moon
Sunrise
07:51 AM
Sunset
06:12 PM
Moonrise
04:11 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
68%
Air Quality
PM2.5
7.8
μg/m³
PM10
12
μg/m³
NO₂
4.7
μg/m³
O₃
61.7
μg/m³
SO₂
1
μg/m³
CO
148.4
μg/m³
Sunny
Tuesday, October 20, 2026
High
16°C
Low
9°C
Rain Chance
14%
Hourly Forecast
11°C
11°C
11°C
10°C
10°C
11°C
11°C
11°C
12°C
13°C
13°C
14°C
15°C
16°C
15°C
15°C
15°C
14°C
12°C
11°C
11°C
10°C
10°C
9°C
Day Statistics
Maximum Wind
18 km/h
Humidity
83%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
14%
Snow Chance
0%
Sun & Moon
Sunrise
07:52 AM
Sunset
06:10 PM
Moonrise
04:23 PM
Moonset
01:00 AM
Moon Phase
Waxing Gibbous
Moon Illumination
77%
Sunny
Wednesday, October 21, 2026
High
14°C
Low
7°C
Rain Chance
9%
Hourly Forecast
8°C
8°C
7°C
7°C
7°C
7°C
7°C
7°C
8°C
9°C
10°C
11°C
12°C
13°C
14°C
14°C
14°C
12°C
10°C
8°C
8°C
7°C
7°C
7°C
Day Statistics
Maximum Wind
16 km/h
Humidity
76%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
07:54 AM
Sunset
06:08 PM
Moonrise
04:33 PM
Moonset
02:14 AM
Moon Phase
Waxing Gibbous
Moon Illumination
86%
Solar Radiation Data
Shortwave Radiation
0.18
Diffuse Radiation
0.18
DNI
0
GTI
0
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