Porthmadog weather live forecast

Today's maximum temperature in Porthmadog is expected to be 68°F. Select a day from the live weather forecast for Porthmadog, Wales, UK for more weather parameters.

5-day weather forecast updated at 04:04 on Saturday 26th July 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 27th July 2025

Expect broken clouds in Porthmadog, Wales with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 68°F wind chill68
    °F wind chill
  • Gentle breeze of 9 mph from the West9
    mph wind from W

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Porthmadog weather for Monday 28th July 2025

Expect broken clouds in Porthmadog, Wales with a maximum temperature of 66°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 66°F wind chill66
    °F wind chill
  • Gentle breeze of 11 mph from the North-West11
    mph wind from NW

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Porthmadog weather for Tuesday 29th July 2025

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 70°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a gentle breeze of 11 mph from the west.

  • 70°F maximum temperature70
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 54% chance of some rain54
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Gentle breeze of 11 mph from the West11
    mph wind from W

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Porthmadog weather for Wednesday 30th July 2025

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 8 mph from the north-west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 68°F wind chill68
    °F wind chill
  • Gentle breeze of 8 mph from the North-West8
    mph wind from NW

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Porthmadog weather for Thursday 31st July 2025

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 66°F, maximum UV of 6 (High) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a light breeze of 5 mph from the west.

  • 66°F maximum temperature66
    °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 6 (High)6
    UV index (High)
  • 62% chance of some rain62
    % 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 5 mph from the West5
    mph wind from W

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