Caernarfon weather live forecast

Today's maximum temperature in Caernarfon is expected to be 10°C. Select a day from the live weather forecast for Caernarfon, Wales, UK for more weather parameters.

Tuesday
27th Jan
10

6

3

0
Wednesday
28th Jan
10

5

3

0
Thursday
29th Jan
8

4

1

0
Friday
30th Jan
9

4

2

0
Saturday
31st Jan
8

5

2

0

5-day weather forecast updated at 04:03 on Tuesday 27th January 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 Tuesday 27th January 2026

Expect mostly cloudy with rain in Caernarfon, Wales with a maximum temperature of 10°C and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 59% chance of some rain and a strong breeze of 50 kph from the south-east.

10
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
0
UV index (None)
59
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
50
kph wind from SE

Caernarfon weather for Wednesday 28th January 2026

Expect broken clouds in Caernarfon, Wales with a maximum temperature of 10°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-east.

10
°C maximum temperature
5
°C minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from SE

Caernarfon weather for Thursday 29th January 2026

Expect broken clouds in Caernarfon, Wales with a maximum temperature of 8°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.

8
°C maximum temperature
4
°C minimum temperature
broken clouds
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
4
°C wind chill
26
kph wind from SE

Caernarfon weather for Friday 30th January 2026

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 9°C and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a fresh breeze of 29 kph from the south-east.

9
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
63
% chance of some rain
<5
mm of rainfall expected
5
°C wind chill
29
kph wind from SE

Caernarfon weather for Saturday 31st January 2026

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 8°C and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a moderate breeze of 25 kph from the south-east.