Connecticut weather live forecast

Tomorrow's maximum temperature in Connecticut is expected to be 30°C.

5-day weather forecast updated at 04:00 on Wednesday 9th July 2025 GMT

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

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Below are temperatures expected today at popular countries, regions and places in Connecticut. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Connecticut weather forecast by day

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

Connecticut weather for Wednesday 9th July 2025

Expect isolated thunderstorms in Connecticut with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and little or no wind of 3 kph from the south-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 46% chance of some rain46
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 3 kph from the South-East3
    kph wind from SE

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Connecticut weather for Thursday 10th July 2025

Expect isolated thunderstorms in Connecticut with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and little or no wind of 5 kph from the south-east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 76% chance of some rain76
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 25°C wind chill25
    °C wind chill
  • Little or no wind of 5 kph from the South-East5
    kph wind from SE

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Connecticut weather for Friday 11th July 2025

Expect isolated thunderstorms in Connecticut with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and little or no wind of 4 kph from the south.

  • 27°C maximum temperature27
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 44% chance of some rain44
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 4 kph from the South4
    kph wind from S

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Connecticut weather for Saturday 12th July 2025

Expect broken clouds in Connecticut with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 5 kph from the South5
    kph wind from S

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Connecticut weather for Sunday 13th July 2025

Expect isolated thunderstorms in Connecticut with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a light breeze of 9 kph from the south.

  • 29°C maximum temperature29
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 36% chance of some rain36
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the South9
    kph wind from S

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

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