New Haven weather live forecast

Today's maximum temperature in New Haven is expected to be 30°C. Select a day from the live weather forecast for New Haven, Connecticut, USA for more weather parameters.

Wednesday
20th May
30

19

11

UV8
Thursday
21st May
18

12

4

UV3
Friday
22nd May
18

11

9

UV7
Saturday
23rd May
13

12

0

UV2
Sunday
24th May
16

11

7

UV2

5-day weather forecast updated at 04:01 on Wednesday 20th May 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 Wednesday 20th May 2026

Expect isolated thunderstorms in New Haven, Connecticut with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a light breeze of 10 kph from the west.

30
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
UV8
UV index (Very High)
84
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from W

New Haven weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in New Haven, Connecticut with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a light breeze of 8 kph from the north.

18
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
UV3
UV index (Moderate)
32
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
8
kph wind from N

New Haven weather for Friday 22nd May 2026

Expect broken clouds in New Haven, Connecticut with a maximum temperature of 18°C, maximum UV of 7 (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-east.

18
°C maximum temperature
11
°C minimum temperature
broken clouds
9
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
6
kph wind from SE

New Haven weather for Saturday 23rd May 2026

Expect mostly cloudy with rain in New Haven, Connecticut with a maximum temperature of 13°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 67% chance of some rain and little or no wind of 6 kph from the east.

13
°C maximum temperature
12
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
UV2
UV index (Low)
67
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
6
kph wind from E

New Haven weather for Sunday 24th May 2026

Expect sunshine and showers in New Haven, Connecticut with a maximum temperature of 16°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 40% chance of some rain and a light breeze of 10 kph from the east.