Weather Forecast for Caernarfon
Gwynedd, United Kingdom
Share this weather forecast
Current Weather - Caernarfon: 11°C
Current Weather - Caernarfon: 11°C
Gwynedd, United Kingdom
Moderate rain
Feels like 8°C
Wind
36 km/h NW
Humidity
62%
Pressure
1004 mb
UV Index
4
Visibility
10 km
Moderate rain
Wednesday, May 13, 2026
High
11°C
Low
7°C
Rain Chance
99%
Hourly Forecast
10°C
11°C
11°C
10°C
10°C
10°C
9°C
8°C
7°C
7°C
7°C
Day Statistics
Maximum Wind
36 km/h
Humidity
79%
Precipitation
6 mm
UV Index
4
Visibility
9 km
Rain Chance
99%
Snow Chance
0%
Sun & Moon
Sunrise
05:22 AM
Sunset
09:06 PM
Moonrise
03:43 AM
Moonset
04:53 PM
Moon Phase
Waning Crescent
Moon Illumination
19%
Air Quality
PM2.5
4.2
μg/m³
PM10
10.6
μg/m³
NO₂
1.7
μg/m³
O₃
78.3
μg/m³
SO₂
1
μg/m³
CO
125.7
μg/m³
Moderate rain
Thursday, May 14, 2026
High
11°C
Low
5°C
Rain Chance
90%
Hourly Forecast
7°C
7°C
7°C
7°C
7°C
7°C
6°C
7°C
8°C
8°C
9°C
9°C
9°C
9°C
10°C
10°C
11°C
11°C
11°C
10°C
9°C
6°C
5°C
5°C
Day Statistics
Maximum Wind
30 km/h
Humidity
81%
Precipitation
8 mm
UV Index
5
Visibility
10 km
Rain Chance
90%
Snow Chance
0%
Sun & Moon
Sunrise
05:20 AM
Sunset
09:08 PM
Moonrise
03:54 AM
Moonset
06:22 PM
Moon Phase
Waning Crescent
Moon Illumination
11%
Air Quality
PM2.5
3.4
μg/m³
PM10
7.5
μg/m³
NO₂
2.1
μg/m³
O₃
79.1
μg/m³
SO₂
1
μg/m³
CO
125.3
μg/m³
Patchy rain nearby
Friday, May 15, 2026
High
11°C
Low
3°C
Rain Chance
88%
Hourly Forecast
5°C
5°C
5°C
4°C
5°C
4°C
4°C
7°C
9°C
10°C
10°C
10°C
10°C
10°C
10°C
11°C
11°C
11°C
10°C
10°C
8°C
5°C
4°C
3°C
Day Statistics
Maximum Wind
18 km/h
Humidity
73%
Precipitation
1 mm
UV Index
1
Visibility
10 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:19 AM
Sunset
09:10 PM
Moonrise
04:07 AM
Moonset
07:58 PM
Moon Phase
Waning Crescent
Moon Illumination
5%
Air Quality
PM2.5
3.2
μg/m³
PM10
6.2
μg/m³
NO₂
2.5
μg/m³
O₃
78.7
μg/m³
SO₂
1.1
μg/m³
CO
127.7
μg/m³
Patchy rain nearby
Saturday, May 16, 2026
High
11°C
Low
2°C
Rain Chance
88%
Hourly Forecast
3°C
3°C
3°C
3°C
3°C
2°C
3°C
6°C
8°C
9°C
10°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
10°C
9°C
7°C
6°C
5°C
Day Statistics
Maximum Wind
14 km/h
Humidity
72%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:17 AM
Sunset
09:11 PM
Moonrise
04:26 AM
Moonset
09:36 PM
Moon Phase
New Moon
Moon Illumination
1%
Air Quality
PM2.5
6.8
μg/m³
PM10
9.4
μg/m³
NO₂
2.4
μg/m³
O₃
86.1
μg/m³
SO₂
1.7
μg/m³
CO
128.6
μg/m³
Patchy rain nearby
Sunday, May 17, 2026
High
12°C
Low
5°C
Rain Chance
89%
Hourly Forecast
5°C
6°C
9°C
8°C
8°C
9°C
9°C
9°C
10°C
10°C
10°C
10°C
11°C
12°C
11°C
9°C
12°C
9°C
9°C
11°C
11°C
10°C
9°C
9°C
Day Statistics
Maximum Wind
19 km/h
Humidity
87%
Precipitation
4 mm
UV Index
2
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:15 AM
Sunset
09:13 PM
Moonrise
04:54 AM
Moonset
11:08 PM
Moon Phase
Waxing Crescent
Moon Illumination
0%
Air Quality
PM2.5
6.8
μg/m³
PM10
9.3
μg/m³
NO₂
2.3
μg/m³
O₃
80
μg/m³
SO₂
1.5
μg/m³
CO
124.9
μg/m³
Patchy rain nearby
Monday, May 18, 2026
High
13°C
Low
8°C
Rain Chance
87%
Hourly Forecast
9°C
8°C
8°C
8°C
8°C
9°C
9°C
10°C
11°C
11°C
12°C
12°C
13°C
13°C
13°C
13°C
13°C
12°C
12°C
11°C
11°C
10°C
10°C
10°C
Day Statistics
Maximum Wind
24 km/h
Humidity
83%
Precipitation
1 mm
UV Index
3
Visibility
9 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
09:15 PM
Moonrise
05:38 AM
Moonset
No moonset
Moon Phase
Waxing Crescent
Moon Illumination
2%
Patchy rain nearby
Tuesday, May 19, 2026
High
15°C
Low
9°C
Rain Chance
89%
Hourly Forecast
10°C
10°C
10°C
10°C
10°C
11°C
11°C
11°C
12°C
12°C
13°C
13°C
14°C
15°C
15°C
14°C
14°C
13°C
13°C
12°C
11°C
10°C
9°C
9°C
Day Statistics
Maximum Wind
30 km/h
Humidity
94%
Precipitation
2 mm
UV Index
3
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:12 AM
Sunset
09:16 PM
Moonrise
06:42 AM
Moonset
12:23 AM
Moon Phase
Waxing Crescent
Moon Illumination
7%
Solar Radiation Data
Shortwave Radiation
164.36
Diffuse Radiation
84.99
DNI
108.94
GTI
83.5
Your guide to the flawless travel experience
Popular Countries
Get our app
