Machynlleth weather live forecast

Today's maximum temperature in Machynlleth is expected to be 16°C. Select a day from the live weather forecast for Machynlleth, Wales, UK for more weather parameters.

5-day weather forecast updated at 04:04 on Sunday 14th September 2025 GMT

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

Machynlleth weather forecast by day

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

Machynlleth weather for Sunday 14th September 2025

Expect mostly cloudy with rain in Machynlleth, Wales with a maximum temperature of 16°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a fresh breeze of 34 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 99% chance of some rain99
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 34 kph from the South-West34
    kph wind from SW

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Machynlleth weather for Monday 15th September 2025

Expect mostly cloudy with rain in Machynlleth, Wales with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a strong breeze of 45 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 100% chance of some rain100
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Strong breeze of 45 kph from the West45
    kph wind from W

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Machynlleth weather for Tuesday 16th September 2025

Expect mostly cloudy with light rain in Machynlleth, Wales with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a fresh breeze of 31 kph from the west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 77% chance of some rain77
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Fresh breeze of 31 kph from the West31
    kph wind from W

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Machynlleth weather for Wednesday 17th September 2025

Expect mostly cloudy with rain in Machynlleth, Wales with a maximum temperature of 18°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a fresh breeze of 36 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 78% chance of some rain78
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Fresh breeze of 36 kph from the South-West36
    kph wind from SW

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Machynlleth weather for Thursday 18th September 2025

Expect mostly cloudy with light rain in Machynlleth, Wales with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 19 kph from the west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 56% chance of some rain56
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the West19
    kph wind from W

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Metric (°C / mm)  |  Imperial (°F / inches)

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