Connecticut weather live forecast

Today's maximum temperature in Connecticut is expected to be 21°C. Select a day from the live weather forecast for Connecticut (Hartford), USA for more weather parameters.

Tuesday
15th Sep
21

10

11

6
Wednesday
16th Sep
23

11

6

6
Thursday
17th Sep
26

16

5

5
Friday
18th Sep
26

16

7

6
Saturday
19th Sep
22

13

9

6

5-day weather forecast updated at 04:00 on Tuesday 15th 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 Tuesday 15th September 2026

Expect clear skies in Connecticut with a maximum temperature of 21°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south.

21
°C maximum temperature
10
°C minimum temperature
clear skies
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
4
kph wind from S

Connecticut weather for Wednesday 16th September 2026

Expect broken clouds in Connecticut with a maximum temperature of 23°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

23
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from S

Connecticut weather for Thursday 17th September 2026

Expect broken clouds in Connecticut with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

26
°C maximum temperature
16
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
7
kph wind from S

Connecticut weather for Friday 18th September 2026

Expect broken clouds in Connecticut with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

26
°C maximum temperature
16
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
9
kph wind from N

Connecticut weather for Saturday 19th September 2026

Expect scattered clouds in Connecticut with a maximum temperature of 22°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 south.