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.

  • Saturday
    22nd Nov
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Sunday
    23rd Nov
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Monday
    24th Nov
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Tuesday
    25th Nov
    Sunshine and showers (0-2 mm of rainfall expected)
  • Wednesday
    26th Nov
    Mostly cloudy with rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:03 on Saturday 22nd November 2025 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 22nd November 2025

Expect mostly cloudy with rain in Caernarfon, Wales with a maximum temperature of 10°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 61% chance of some rain and a fresh breeze of 37 kph from the south.

  • 10°C maximum temperature10
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 61% chance of some rain61
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 37 kph from the South37
    kph wind from S

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Caernarfon weather for Sunday 23rd November 2025

Expect mostly cloudy with rain in Caernarfon, Wales with a maximum temperature of 10°C and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 94% chance of some rain and a strong breeze of 43 kph from the west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 94% chance of some rain94
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Strong breeze of 43 kph from the West43
    kph wind from W

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Caernarfon weather for Monday 24th November 2025

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 10°C and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 28 kph from the north.

  • 10°C maximum temperature10
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 61% chance of some rain61
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Moderate breeze of 28 kph from the North28
    kph wind from N

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Caernarfon weather for Tuesday 25th November 2025

Expect sunshine and showers in Caernarfon, Wales with a maximum temperature of 9°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 20 kph from the north.

  • 9°C maximum temperature9
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Moderate breeze of 20 kph from the North20
    kph wind from N

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Caernarfon weather for Wednesday 26th November 2025

Expect mostly cloudy with rain in Caernarfon, Wales with a maximum temperature of 12°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a fresh breeze of 30 kph from the south.

  • 12°C maximum temperature12
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 72% chance of some rain72
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 30 kph from the South30
    kph wind from S

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  • Prices based on lowest saver room rates. T&Cs apply
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Metric (°C / mm)  |  Imperial (°F / inches)

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