Caernarfon weather live forecast

Today's maximum temperature in Caernarfon is expected to be 55°F. Select a day from the live weather forecast for Caernarfon, Wales, UK for more weather parameters.

• Sunday
  2nd Nov
  55
  46
  
  4
  1
• Monday
  3rd Nov
  59
  57
  
  0
  0
• Tuesday
  4th Nov
  59
  57
  
  0
  0
• Wednesday
  5th Nov
  63
  57
  
  0
  0
• Thursday
  6th Nov
  59
  52
  
  2
  1

5-day weather forecast updated at 04:03 on Sunday 2nd 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 Sunday 2nd November 2025

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 55°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 93% chance of some rain and a strong breeze of 26 mph from the south-west.

• 55
  °F maximum temperature
• 46
  °F minimum temperature
• 
  mostly cloudy with light rain
• 4
  hours of sunshine
• 1
  UV index (Low)
• 93
  % chance of some rain
• <5
  mm of rainfall expected
• 0
  no heat & humidity
• 26
  mph wind from SW

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Caernarfon weather for Monday 3rd November 2025

Expect cloudy with some rain in Caernarfon, Wales with a maximum temperature of 59°F and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 96% chance of some rain and a strong breeze of 30 mph from the south-west.

• 59
  °F maximum temperature
• 57
  °F minimum temperature
• 
  cloudy with some rain
• 0
  hours of sunshine
• 0
  UV index (None)
• 96
  % chance of some rain
• <30
  mm of rainfall expected
• 0
  no heat & humidity
• 30
  mph wind from SW

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Caernarfon weather for Tuesday 4th November 2025

Expect cloudy with some rain in Caernarfon, Wales with a maximum temperature of 59°F and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and a strong breeze of 28 mph from the south.

• 59
  °F maximum temperature
• 57
  °F minimum temperature
• 
  cloudy with some rain
• 0
  hours of sunshine
• 0
  UV index (None)
• 91
  % chance of some rain
• <30
  mm of rainfall expected
• 0
  no heat & humidity
• 28
  mph wind from S

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Caernarfon weather for Wednesday 5th November 2025

Expect mostly cloudy with rain in Caernarfon, Wales with a maximum temperature of 63°F and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a moderate breeze of 17 mph from the south.

• 63
  °F maximum temperature
• 57
  °F minimum temperature
• 
  mostly cloudy with rain
• 0
  hours of sunshine
• 0
  UV index (None)
• 87
  % chance of some rain
• <20
  mm of rainfall expected
• 63
  °F wind chill
• 17
  mph wind from S

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Caernarfon weather for Thursday 6th November 2025

Expect mostly cloudy with light rain in Caernarfon, Wales with a maximum temperature of 59°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 82% chance of some rain and a fresh breeze of 22 mph from the south.

• 59
  °F maximum temperature
• 52
  °F minimum temperature
• 
  mostly cloudy with light rain
• 2
  hours of sunshine
• 1
  UV index (Low)
• 82
  % chance of some rain
• <5
  mm of rainfall expected
• 0
  no heat & humidity
• 22
  mph wind from S

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• Book hotels in the UK for £35 or less (London from £49)
• Prices based on lowest saver room rates. T&Cs apply
• Travel before 8th October 2026 (inclusive)

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View all Travelodge offers

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