New Haven weather live forecast

Today's maximum temperature in New Haven is expected to be 25°C. Select a day from the live weather forecast for New Haven, Connecticut, USA for more weather parameters.

Thursday
17th Sep
25

19

4

3
Friday
18th Sep
24

16

8

6
Saturday
19th Sep
20

14

8

6
Sunday
20th Sep
18

15

0

1
Monday
21st Sep
20

14

0

5

5-day weather forecast updated at 04:01 on Thursday 17th September 2026 GMT

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The 5-day weather forecast for Connecticut (New Haven) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

New Haven weather forecast by day

Below are the detailed weather forecasts for New Haven for the next 5 days.

New Haven weather for Thursday 17th September 2026

Expect mostly cloudy with light rain in New Haven, Connecticut with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a light breeze of 7 kph from the south.

25
°C maximum temperature
19
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
42
% chance of some rain
<2
mm of rainfall expected
25
°C wind chill
7
kph wind from S

New Haven weather for Friday 18th September 2026

Expect sunshine and showers in New Haven, Connecticut with a maximum temperature of 24°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 4% chance of some rain and a light breeze of 11 kph from the north.

24
°C maximum temperature
16
°C minimum temperature
sunshine and showers
8
hours of sunshine
6
UV index (High)
4
% chance of some rain
<5
mm of rainfall expected
24
°C wind chill
11
kph wind from N

New Haven weather for Saturday 19th September 2026

Expect broken clouds in New Haven, Connecticut with a maximum temperature of 20°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
20
°C wind chill
7
kph wind from NE

New Haven weather for Sunday 20th September 2026

Expect isolated thunderstorms in New Haven, Connecticut with a maximum temperature of 18°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 93% chance of some rain and a light breeze of 10 kph from the south-east.

18
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
1
UV index (Low)
93
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
10
kph wind from SE

New Haven weather for Monday 21st September 2026

Expect mostly cloudy with light rain in New Haven, Connecticut with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 34% chance of some rain and a light breeze of 12 kph from the north.