Connecticut weather

Get the latest coronavirus (Covid-19) updates for Connecticut with current travel advice and statistics on new cases per 100,000 and vaccine.

Below are the temperatures expected today at popular destinations in Connecticut. Select a destination to compare today's forecast with average weather conditions.

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Recommended for Connecticut

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The weather guide for Connecticut shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Which is the hottest month in Connecticut?

The hottest time of year in Hartford, Connecticut is normally July. Expect maximum daytime temperatures to reach 28°C with moderate heat and humidity.

Which month has the most rain in Connecticut?

In terms of rainfall, May is usually the wettest month in Hartford, Connecticut with 101mm on average. There are normally 12 days in May with some rain.

When is it sunniest in Connecticut?

The sunniest time of year in Hartford, Connecticut is normally July with bright sunshine on average for 63% of daylight hours; that's 9 hours of sunshine per day.

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

Compare Connecticut weather with the USA

Below the Connecticut weather chart shows average maximum daytime temperature for Connecticut, USA (Hartford) and the USA (Washington).

Maximum daytime temperature (°C)

Connecticut, USA (Hartford)

USA (Washington)

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May

Jun

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Aug

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Dec

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

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Tropical storm risk: Connecticut hurricane season

% of month affected by tropical storms

1.2%

1.3%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The Connecticut tropical storm risk chart above shows the hurricane season for Hartford, Connecticut. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms