New Haven weather live forecast

Today's maximum temperature in New Haven is expected to be 27°C. Select a day from the live weather forecast for New Haven, Connecticut, USA for more weather parameters.

Tuesday
18th Aug
27

21

7

6
Wednesday
19th Aug
28

20

8

7
Thursday
20th Aug
27

21

5

6
Friday
21st Aug
27

19

8

6
Saturday
22nd Aug
25

19

3

7

5-day weather forecast updated at 04:01 on Tuesday 18th August 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 Tuesday 18th August 2026

Expect isolated thunderstorms in New Haven, Connecticut with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and little or no wind of 3 kph from the south-west.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
6
UV index (High)
29
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
3
kph wind from SW

New Haven weather for Wednesday 19th August 2026

Expect broken clouds in New Haven, Connecticut with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-west.

28
°C maximum temperature
20
°C minimum temperature
broken clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
5
kph wind from SW

New Haven weather for Thursday 20th August 2026

Expect isolated thunderstorms in New Haven, Connecticut with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and little or no wind of 3 kph from the north-west.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
56
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
3
kph wind from NW

New Haven weather for Friday 21st August 2026

Expect broken clouds in New Haven, Connecticut with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north.

27
°C maximum temperature
19
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
6
kph wind from N

New Haven weather for Saturday 22nd August 2026

Expect isolated thunderstorms in New Haven, Connecticut with a maximum temperature of 25°C, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a light breeze of 7 kph from the east.