Connecticut weather live forecast

Today's maximum temperature in Connecticut is expected to be 17°C. Select a day from the live weather forecast for Connecticut (Hartford), USA for more weather parameters.

Sunday
27th Sep
17

13

0

2
Monday
28th Sep
15

12

0

1
Tuesday
29th Sep
20

12

0

3
Wednesday
30th Sep
23

12

6

5
Thursday
1st Oct
25

14

7

4

5-day weather forecast updated at 04:00 on Sunday 27th September 2026 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.

Top Connecticut destinations

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 27th September 2026

Expect cloudy with some rain in Connecticut with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 22 kph from the north-east.

17
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
100
% chance of some rain
<30
mm of rainfall expected
17
°C wind chill
22
kph wind from NE

Connecticut weather for Monday 28th September 2026

Expect cloudy with some rain in Connecticut with a maximum temperature of 15°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 97% chance of some rain and a gentle breeze of 14 kph from the north.

15
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
97
% chance of some rain
<30
mm of rainfall expected
15
°C wind chill
14
kph wind from N

Connecticut weather for Tuesday 29th September 2026

Expect mostly cloudy with light rain in Connecticut with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and little or no wind of 5 kph from the north.

20
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
3
UV index (Moderate)
12
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
5
kph wind from N

Connecticut weather for Wednesday 30th September 2026

Expect broken clouds in Connecticut with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the south-west.

23
°C maximum temperature
12
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
2
kph wind from SW

Connecticut weather for Thursday 1st October 2026

Expect broken clouds in Connecticut with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.