Caernarfon weather live forecast

Today's maximum temperature in Caernarfon is expected to be 11°C. Select a day from the live weather forecast for Caernarfon, Wales, UK for more weather parameters.

Wednesday
11th Nov
11

5

3

1
Thursday
12th Nov
10

4

5

1
Friday
13th Nov
10

3

7

1
Saturday
14th Nov
10

5

5

1
Sunday
15th Nov
10

5

2

1

5-day weather forecast updated at 04:03 on Wednesday 11th November 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 Wednesday 11th November 2026

Expect broken clouds in Caernarfon, Wales with a maximum temperature of 11°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.

11
°C maximum temperature
5
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from NE

Caernarfon weather for Thursday 12th November 2026

Expect broken clouds in Caernarfon, Wales with a maximum temperature of 10°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-east.

10
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
25
kph wind from NE

Caernarfon weather for Friday 13th November 2026

Expect scattered clouds in Caernarfon, Wales with a maximum temperature of 10°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-east.

10
°C maximum temperature
3
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
10
kph wind from NE

Caernarfon weather for Saturday 14th November 2026

Expect broken clouds in Caernarfon, Wales with a maximum temperature of 10°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

10
°C maximum temperature
5
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
19
kph wind from S

Caernarfon weather for Sunday 15th November 2026

Expect broken clouds in Caernarfon, Wales with a maximum temperature of 10°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.