Caernarfon weather live forecast

Today's maximum temperature in Caernarfon is expected to be 7°C. Select a day from the live weather forecast for Caernarfon, Wales, UK for more weather parameters.

Saturday
14th Feb
7

2

3

1
Sunday
15th Feb
9

4

3

1
Monday
16th Feb
9

6

1

1
Tuesday
17th Feb
8

3

2

1
Wednesday
18th Feb
8

4

1

1

5-day weather forecast updated at 04:03 on Friday 13th February 2026 GMT

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The 5-day weather forecast for Wales (Caernarfon) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Caernarfon weather forecast by day

Below are the detailed weather forecasts for Caernarfon for the next 5 days.

Caernarfon weather for Saturday 14th February 2026

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 7°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 92% chance of some rain and a strong breeze of 41 kph from the south.

7
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
92
% chance of some rain
<5
mm of rainfall expected
1
°C wind chill
41
kph wind from S

Caernarfon weather for Sunday 15th February 2026

Expect mostly cloudy with rain in Caernarfon, Wales with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 75% chance of some rain and a strong breeze of 43 kph from the south-west.

9
°C maximum temperature
4
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
75
% chance of some rain
<20
mm of rainfall expected
5
°C wind chill
43
kph wind from SW

Caernarfon weather for Monday 16th February 2026

Expect mostly cloudy with rain in Caernarfon, Wales with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 81% chance of some rain and a fresh breeze of 30 kph from the west.

9
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
81
% chance of some rain
<20
mm of rainfall expected
5
°C wind chill
30
kph wind from W

Caernarfon weather for Tuesday 17th February 2026

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 8°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 23 kph from the south-east.

8
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
51
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
23
kph wind from SE

Caernarfon weather for Wednesday 18th February 2026

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 8°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 25 kph from the south.