Hertfordshire weather live forecast

Today's maximum temperature in Hertfordshire is expected to be 11°C. Select a day from the live weather forecast for Hertfordshire (Watford), UK for more weather parameters.

5-day weather forecast updated at 04:04 on Saturday 6th December 2025 GMT

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

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Hertfordshire weather forecast by day

Below are the detailed weather forecasts for Hertfordshire for the next 5 days. The forecasts shown are for Watford and may not represent the whole of Hertfordshire. Browse more destinations in Hertfordshire to view more weather forecasts.

Hertfordshire weather for Saturday 6th December 2025

Expect isolated thunderstorms in Hertfordshire with a maximum temperature of 11°C and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 14% chance of some rain and a moderate breeze of 25 kph from the south-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 14% chance of some rain14
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 25 kph from the South-West25
    kph wind from SW

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Hertfordshire weather for Sunday 7th December 2025

Expect mostly cloudy with rain in Hertfordshire with a maximum temperature of 13°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 96% chance of some rain and a moderate breeze of 24 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 96% chance of some rain96
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 24 kph from the South-West24
    kph wind from SW

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Hertfordshire weather for Monday 8th December 2025

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 13°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 19 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 59% chance of some rain59
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

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Hertfordshire weather for Tuesday 9th December 2025

Expect mostly cloudy with light rain in Hertfordshire with a maximum temperature of 14°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 91% chance of some rain and a fresh breeze of 29 kph from the south-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 91% chance of some rain91
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Fresh breeze of 29 kph from the South-West29
    kph wind from SW

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Hertfordshire weather for Wednesday 10th December 2025

Expect broken clouds in Hertfordshire with a maximum temperature of 11°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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  • Book hotels in the UK for £35 or less (London from £49)
  • Prices based on lowest saver room rates. T&Cs apply
  • Travel before 8th October 2026 (inclusive)

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

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