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Weather Forecast for Caernarfon

Gwynedd, United Kingdom

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Current Weather - Caernarfon: 17°C

Gwynedd, United Kingdom

Clear

Feels like 17°C

Wind

10 km/h NE

Humidity

88%

Pressure

1020 mb

UV Index

0

Visibility

10 km
Sunny

Sunny

Saturday, July 11, 2026

High

26°C

Low

15°C

Rain Chance

7%

Hourly Forecast

Clear 17°C
01:00
Clear 16°C
02:00
Clear 15°C
03:00
Clear 15°C
04:00
Clear 15°C
05:00
Sunny 16°C
06:00
Sunny 18°C
07:00
Sunny 20°C
08:00
Sunny 23°C
09:00
Sunny 24°C
10:00
Sunny 24°C
11:00
Sunny 25°C
12:00
Sunny 25°C
13:00
Sunny 25°C
14:00
Sunny 25°C
15:00
Sunny 26°C
16:00
Sunny 25°C
17:00
Sunny 24°C
18:00
Sunny 22°C
19:00
Sunny 20°C
20:00
Sunny 18°C
21:00
Clear 18°C
22:00
Clear 18°C
23:00
Jul 12

Day Statistics

Maximum Wind

17 km/h

Humidity

74%

Precipitation

0 mm

UV Index

7

Visibility

10 km

Rain Chance

7%

Snow Chance

0%

Sun & Moon

Sunrise

05:04 AM

Sunset

09:40 PM

Moonrise

01:08 AM

Moonset

07:11 PM

Moon Phase

Waning Crescent

Moon Illumination

6%

Air Quality

PM2.5

11.3

μg/m³

PM10

16.4

μg/m³

NO₂

3.1

μg/m³

O₃

88.1

μg/m³

SO₂

0.4

μg/m³

CO

133.9

μg/m³

US EPA Index: 1 GB DEFRA Index: 1