Connecticut weather live forecast

Today's maximum temperature in Connecticut is expected to be -4°C. Select a day from the live weather forecast for Connecticut (Hartford), USA for more weather parameters.

Monday
15th Dec
-4

-11

5

1
Tuesday
16th Dec
0

-7

9

2
Wednesday
17th Dec
6

-3

7

2
Thursday
18th Dec
9

-3

5

2
Friday
19th Dec
12

-3

1

1

5-day weather forecast updated at 04:00 on Monday 15th December 2025 GMT

More about Connecticut

Connecticut by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Connecticut

Aer Lingus: Top deals on flights to Ireland & beyond

Sale

Save on flights to Ireland, USA, Canada & Barbados
Book top flight deals online with Aer Lingus
Fly to Dublin, Belfast, New York, Orlando, LA & more

Go to Aer Lingus deal >>

View all Aer Lingus offers

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.

All Connecticut destinations

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 Monday 15th December 2025

Expect broken clouds in Connecticut with a maximum temperature of -4°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 12 kph from the north-west.

-4
°C maximum temperature
-11
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-8
°C wind chill
12
kph wind from NW

Connecticut weather for Tuesday 16th December 2025

Expect scattered clouds in Connecticut with a maximum temperature of 0°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 8 kph from the south-west.

0
°C maximum temperature
-7
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-3
°C wind chill
8
kph wind from SW

Connecticut weather for Wednesday 17th December 2025

Expect scattered clouds in Connecticut with a maximum temperature of 6°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

6
°C maximum temperature
-3
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
10
kph wind from SW

Connecticut weather for Thursday 18th December 2025

Expect sunshine and showers in Connecticut with a maximum temperature of 9°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 13 kph from the south.

9
°C maximum temperature
-3
°C minimum temperature
sunshine and showers
5
hours of sunshine
2
UV index (Low)
36
% chance of some rain
<2
mm of rainfall expected
7
°C wind chill
13
kph wind from S

Connecticut weather for Friday 19th December 2025

Expect mostly cloudy with rain in Connecticut with a maximum temperature of 12°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 19 kph from the west.