Caernarfon weather live forecast

Tomorrow's maximum temperature in Caernarfon is expected to be 63°F.

5-day weather forecast updated at 04:03 on Saturday 21st June 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 Sunday 22nd June 2025

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 63°F, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 92% chance of some rain and a fresh breeze of 23 mph from the south-west.

  • 63°F maximum temperature63
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 92% chance of some rain92
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 63°F wind chill63
    °F wind chill
  • Fresh breeze of 23 mph from the South-West23
    mph wind from SW

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Caernarfon weather for Monday 23rd June 2025

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 63°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a fresh breeze of 19 mph from the west.

  • 63°F maximum temperature63
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 44% chance of some rain44
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 63°F wind chill63
    °F wind chill
  • Fresh breeze of 19 mph from the West19
    mph wind from W

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Caernarfon weather for Tuesday 24th June 2025

Expect cloudy with some rain in Caernarfon, Wales with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 55% chance of some rain and a fresh breeze of 18 mph from the south-west.

  • 64°F maximum temperature64
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 55% chance of some rain55
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 64°F wind chill64
    °F wind chill
  • Fresh breeze of 18 mph from the South-West18
    mph wind from SW

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Caernarfon weather for Wednesday 25th June 2025

Expect mostly cloudy with rain in Caernarfon, Wales with a maximum temperature of 64°F, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 16 mph from the south-west.

  • 64°F maximum temperature64
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 62% chance of some rain62
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • 64°F wind chill64
    °F wind chill
  • Moderate breeze of 16 mph from the South-West16
    mph wind from SW

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Caernarfon weather for Thursday 26th June 2025

Expect mostly cloudy with rain in Caernarfon, Wales with a maximum temperature of 63°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 49% chance of some rain and a fresh breeze of 21 mph from the west.

  • 63°F maximum temperature63
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 49% chance of some rain49
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 63°F wind chill63
    °F wind chill
  • Fresh breeze of 21 mph from the West21
    mph wind from W

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Metric (°C)  |  Imperial (°F)

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