Porthmadog weather live forecast

Tomorrow's maximum temperature in Porthmadog is expected to be 59°F.

5-day weather forecast updated at 04:03 on Sunday 15th June 2025 GMT

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

Porthmadog weather forecast by day

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

Porthmadog weather for Sunday 15th June 2025

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 59°F, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 15 mph from the south-west.

  • 59°F maximum temperature59
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 60% chance of some rain60
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 15 mph from the South-West15
    mph wind from SW

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Porthmadog weather for Monday 16th June 2025

Expect broken clouds in Porthmadog, Wales with a maximum temperature of 64°F, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the south-west.

  • 64°F maximum temperature64
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 64°F wind chill64
    °F wind chill
  • Gentle breeze of 12 mph from the South-West12
    mph wind from SW

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Porthmadog weather for Tuesday 17th June 2025

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 63°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 14 mph from the south-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
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 62% chance of some rain62
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 14 mph from the South-West14
    mph wind from SW

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Porthmadog weather for Wednesday 18th June 2025

Expect sunshine and showers in Porthmadog, Wales with a maximum temperature of 66°F, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a light breeze of 6 mph from the north-west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 3% chance of some rain3
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 66°F wind chill66
    °F wind chill
  • Light breeze of 6 mph from the North-West6
    mph wind from NW

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Porthmadog weather for Thursday 19th June 2025

Expect scattered clouds in Porthmadog, Wales with a maximum temperature of 79°F, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 79°F wind chill79
    °F wind chill
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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