Connecticut weather live forecast

Today's maximum temperature in Connecticut is expected to be 19°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 Sunday 7th 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 Sunday 7th September 2025

Expect mostly cloudy with rain in Connecticut with a maximum temperature of 19°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and little or no wind of 5 kph from the north.

  • 19°C maximum temperature19
    °C maximum temperature
  • 13°C minimum temperature13
    °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)
  • 98% chance of some rain98
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 5 kph from the North5
    kph wind from N

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Connecticut weather for Monday 8th September 2025

Expect scattered clouds in Connecticut with a maximum temperature of 21°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Little or no wind of 5 kph from the North-West5
    kph wind from NW

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Connecticut weather for Tuesday 9th September 2025

Expect scattered clouds in Connecticut with a maximum temperature of 23°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Little or no wind of 6 kph from the East6
    kph wind from E

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Connecticut weather for Wednesday 10th September 2025

Expect broken clouds in Connecticut with a maximum temperature of 21°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 10°C minimum temperature10
    °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
  • 21°C wind chill21
    °C wind chill
  • Light breeze of 9 kph from the North-East9
    kph wind from NE

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Connecticut weather for Thursday 11th September 2025

Expect scattered clouds in Connecticut with a maximum temperature of 26°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

  • 26°C maximum temperature26
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 26°C wind chill26
    °C wind chill
  • 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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