Porthmadog weather live forecast

Tomorrow's maximum temperature in Porthmadog is expected to be 70°F.

5-day weather forecast updated at 04:03 on Thursday 1st May 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 Thursday 1st May 2025

Expect clear skies in Porthmadog, Wales with a maximum temperature of 70°F, maximum UV of 6 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north-east.

  • 70°F maximum temperature70
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 8 mph from the North-East8
    mph wind from NE

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Porthmadog weather for Friday 2nd May 2025

Expect scattered clouds in Porthmadog, Wales with a maximum temperature of 59°F, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-east.

  • 59°F maximum temperature59
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 59°F wind chill59
    °F wind chill
  • Gentle breeze of 9 mph from the North-East9
    mph wind from NE

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Porthmadog weather for Saturday 3rd May 2025

Expect scattered clouds in Porthmadog, Wales with a maximum temperature of 61°F, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north-east.

  • 61°F maximum temperature61
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 61°F wind chill61
    °F wind chill
  • Moderate breeze of 14 mph from the North-East14
    mph wind from NE

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Porthmadog weather for Sunday 4th May 2025

Expect clear skies in Porthmadog, Wales with a maximum temperature of 55°F, maximum UV of 4 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north-east.

  • 55°F maximum temperature55
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 16 mph from the North-East16
    mph wind from NE

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Porthmadog weather for Monday 5th May 2025

Expect scattered clouds in Porthmadog, Wales with a maximum temperature of 54°F, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the north-east.

  • 54°F maximum temperature54
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 15 mph from the North-East15
    mph wind from NE

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