Chepstow weather live forecast

Today's maximum temperature in Chepstow is expected to be 68°F. Select a day from the live weather forecast for Chepstow, 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 (Chepstow) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Chepstow weather forecast by day

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

Chepstow weather for Thursday 18th September 2025

Expect mostly cloudy with light rain in Chepstow, Wales with a maximum temperature of 68°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a moderate breeze of 16 mph from the south-west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 63°F minimum temperature63
    °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)
  • 23% chance of some rain23
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 16 mph from the South-West16
    mph wind from SW

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Chepstow weather for Friday 19th September 2025

Expect broken clouds in Chepstow, Wales with a maximum temperature of 66°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    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
  • Gentle breeze of 10 mph from the South-West10
    mph wind from SW

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Chepstow weather for Saturday 20th September 2025

Expect broken clouds in Chepstow, Wales with a maximum temperature of 66°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south.

  • 66°F maximum temperature66
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the South11
    mph wind from S

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Chepstow weather for Sunday 21st September 2025

Expect sunshine and showers in Chepstow, Wales with a maximum temperature of 59°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a gentle breeze of 9 mph from the south-west.

  • 59°F maximum temperature59
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 54% chance of some rain54
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 59°F wind chill59
    °F wind chill
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

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Chepstow weather for Monday 22nd September 2025

Expect sunshine and showers in Chepstow, Wales with a maximum temperature of 57°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 14 mph from the north.

  • 57°F maximum temperature57
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 40% chance of some rain40
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 57°F wind chill57
    °F wind chill
  • Moderate breeze of 14 mph from the North14
    mph wind from N

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