Weather Forecast for Caernarfon
Gwynedd, United Kingdom
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Current Weather - Caernarfon: 10°C
Current Weather - Caernarfon: 10°C
Gwynedd, United Kingdom
Overcast
Feels like 9°C
Wind
4 km/h NNE
Humidity
85%
Pressure
1028 mb
UV Index
0
Visibility
10 km
Patchy rain nearby
Wednesday, September 23, 2026
High
16°C
Low
10°C
Rain Chance
73%
Hourly Forecast
10°C
10°C
Day Statistics
Maximum Wind
19 km/h
Humidity
85%
Precipitation
2 mm
UV Index
3
Visibility
9 km
Rain Chance
73%
Snow Chance
0%
Sun & Moon
Sunrise
07:04 AM
Sunset
07:13 PM
Moonrise
06:16 PM
Moonset
03:16 AM
Moon Phase
Waxing Gibbous
Moon Illumination
95%
Air Quality
PM2.5
2.5
μg/m³
PM10
4.6
μg/m³
NO₂
1.6
μg/m³
O₃
61.7
μg/m³
SO₂
0.2
μg/m³
CO
167.3
μg/m³
Overcast
Thursday, September 24, 2026
High
17°C
Low
8°C
Rain Chance
21%
Hourly Forecast
9°C
9°C
9°C
8°C
9°C
8°C
9°C
9°C
11°C
12°C
14°C
14°C
16°C
16°C
17°C
17°C
17°C
16°C
16°C
15°C
14°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
27 km/h
Humidity
78%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
21%
Snow Chance
0%
Sun & Moon
Sunrise
07:06 AM
Sunset
07:11 PM
Moonrise
06:26 PM
Moonset
04:30 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
3.1
μg/m³
PM10
5.4
μg/m³
NO₂
2
μg/m³
O₃
65
μg/m³
SO₂
0.2
μg/m³
CO
180.2
μg/m³
Patchy rain nearby
Friday, September 25, 2026
High
16°C
Low
9°C
Rain Chance
89%
Hourly Forecast
15°C
15°C
15°C
16°C
15°C
14°C
14°C
13°C
12°C
12°C
12°C
12°C
12°C
12°C
11°C
10°C
10°C
10°C
9°C
9°C
9°C
9°C
9°C
9°C
Day Statistics
Maximum Wind
22 km/h
Humidity
92%
Precipitation
5 mm
UV Index
1
Visibility
7 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
07:08 AM
Sunset
07:09 PM
Moonrise
06:34 PM
Moonset
05:44 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
3.9
μg/m³
PM10
7.4
μg/m³
NO₂
2
μg/m³
O₃
68.5
μg/m³
SO₂
0.2
μg/m³
CO
149.1
μg/m³
Sunny
Saturday, September 26, 2026
High
17°C
Low
9°C
Rain Chance
24%
Hourly Forecast
9°C
10°C
10°C
11°C
11°C
11°C
11°C
11°C
12°C
14°C
15°C
15°C
16°C
17°C
17°C
16°C
16°C
16°C
15°C
14°C
13°C
13°C
12°C
13°C
Day Statistics
Maximum Wind
29 km/h
Humidity
86%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
24%
Snow Chance
0%
Sun & Moon
Sunrise
07:10 AM
Sunset
07:06 PM
Moonrise
06:43 PM
Moonset
06:57 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
9.7
μg/m³
PM10
15.6
μg/m³
NO₂
1.7
μg/m³
O₃
66.4
μg/m³
SO₂
0.5
μg/m³
CO
112.6
μg/m³
Patchy rain nearby
Sunday, September 27, 2026
High
16°C
Low
13°C
Rain Chance
79%
Hourly Forecast
13°C
13°C
13°C
13°C
13°C
13°C
13°C
14°C
14°C
14°C
14°C
15°C
15°C
15°C
16°C
16°C
15°C
15°C
14°C
14°C
14°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
33 km/h
Humidity
83%
Precipitation
4 mm
UV Index
4
Visibility
10 km
Rain Chance
79%
Snow Chance
0%
Sun & Moon
Sunrise
07:11 AM
Sunset
07:04 PM
Moonrise
06:53 PM
Moonset
08:13 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
8.6
μg/m³
PM10
13.9
μg/m³
NO₂
1.8
μg/m³
O₃
71.9
μg/m³
SO₂
0.9
μg/m³
CO
165.2
μg/m³
Light rain shower
Monday, September 28, 2026
High
14°C
Low
11°C
Rain Chance
90%
Hourly Forecast
13°C
13°C
13°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
13°C
14°C
13°C
13°C
12°C
12°C
12°C
12°C
11°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
19 km/h
Humidity
93%
Precipitation
8 mm
UV Index
3
Visibility
8 km
Rain Chance
90%
Snow Chance
0%
Sun & Moon
Sunrise
07:13 AM
Sunset
07:01 PM
Moonrise
07:05 PM
Moonset
09:31 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Patchy rain nearby
Tuesday, September 29, 2026
High
17°C
Low
10°C
Rain Chance
79%
Hourly Forecast
10°C
10°C
10°C
11°C
11°C
11°C
11°C
11°C
12°C
13°C
14°C
15°C
16°C
17°C
17°C
16°C
16°C
15°C
15°C
14°C
14°C
13°C
13°C
13°C
Day Statistics
Maximum Wind
32 km/h
Humidity
86%
Precipitation
4 mm
UV Index
4
Visibility
10 km
Rain Chance
79%
Snow Chance
0%
Sun & Moon
Sunrise
07:15 AM
Sunset
06:59 PM
Moonrise
07:21 PM
Moonset
10:53 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
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