Barmouth weather live forecast

Today's maximum temperature in Barmouth is expected to be 64°F. Select a day from the live weather forecast for Barmouth, Wales, UK for more weather parameters.

5-day weather forecast updated at 04:04 on Thursday 18th September 2025 GMT

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The 5-day weather forecast for Wales (Barmouth) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Barmouth weather forecast by day

Below are the detailed weather forecasts for Barmouth for the next 5 days.

Barmouth weather for Thursday 18th September 2025

Expect mostly cloudy with light rain in Barmouth, Wales with a maximum temperature of 64°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a fresh breeze of 23 mph from the south-west.

  • 64°F maximum temperature64
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 76% chance of some rain76
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 23 mph from the South-West23
    mph wind from SW

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Barmouth weather for Friday 19th September 2025

Expect mostly cloudy with light rain in Barmouth, Wales with a maximum temperature of 63°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 19 mph from the south.

  • 63°F maximum temperature63
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 75% chance of some rain75
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 19 mph from the South19
    mph wind from S

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Barmouth weather for Saturday 20th September 2025

Expect overcast with light rain in Barmouth, Wales with a maximum temperature of 63°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 14 mph from the north-east.

  • 63°F maximum temperature63
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 86% chance of some rain86
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 14 mph from the North-East14
    mph wind from NE

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Barmouth weather for Sunday 21st September 2025

Expect sunshine and showers in Barmouth, Wales with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 16 mph from the south-east.

  • 55°F maximum temperature55
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 77% chance of some rain77
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 16 mph from the South-East16
    mph wind from SE

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Barmouth weather for Monday 22nd September 2025

Expect sunshine and showers in Barmouth, Wales with a maximum temperature of 57°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a gentle breeze of 11 mph from the north-east.

  • 57°F maximum temperature57
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 20% chance of some rain20
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the North-East11
    mph wind from NE

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