Connecticut weather live forecast

Today's maximum temperature in Connecticut is expected to be 24°C. Select a day from the live weather forecast for Connecticut (Hartford), USA for more weather parameters.

5-day weather forecast updated at 04:00 on Tuesday 16th September 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 Tuesday 16th September 2025

Expect broken clouds in Connecticut with a maximum temperature of 24°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

  • 24°C maximum temperature24
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    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
  • Light breeze of 8 kph from the East8
    kph wind from E

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Connecticut weather for Wednesday 17th September 2025

Expect mostly cloudy with rain in Connecticut with a maximum temperature of 21°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and little or no wind of 5 kph from the east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 47% chance of some rain47
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 5 kph from the East5
    kph wind from E

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Connecticut weather for Thursday 18th September 2025

Expect mostly cloudy with light rain in Connecticut with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 8% chance of some rain and little or no wind of 4 kph from the north.

  • 25°C maximum temperature25
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 8% chance of some rain8
    % 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 4 kph from the North4
    kph wind from N

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Connecticut weather for Friday 19th September 2025

Expect scattered clouds in Connecticut with a maximum temperature of 26°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 26°C wind chill26
    °C wind chill
  • Light breeze of 11 kph from the North-West11
    kph wind from NW

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Connecticut weather for Saturday 20th September 2025

Expect clear skies in Connecticut with a maximum temperature of 21°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

  • 21°C maximum temperature21
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    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
  • Light breeze of 7 kph from the North7
    kph wind from N

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

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