Weather Forecast for New Haven

Connecticut, United States of America

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Sunny

Current Weather - New Haven: 14°C

Connecticut, United States of America

Sunny

Feels like 13°C

Wind

7 km/h NW

Humidity

87%

Pressure

1018 mb

UV Index

0

Visibility

10 km

Overcast

Overcast

Wednesday, September 30, 2026

High

21°C

Low

14°C

Rain Chance

14%

Hourly Forecast

Overcast 21°C
13:00
Overcast 21°C
14:00
Overcast 21°C
15:00
Overcast 21°C
16:00
Cloudy 21°C
17:00
Overcast 20°C
18:00
Overcast 19°C
19:00
Overcast 19°C
20:00
Overcast 19°C
21:00
Overcast 19°C
22:00
Overcast 19°C
23:00
Oct 01

Day Statistics

Maximum Wind

12 km/h

Humidity

77%

Precipitation

0 mm

UV Index

5

Visibility

10 km

Rain Chance

14%

Snow Chance

0%

Sun & Moon

Sunrise

06:47 AM

Sunset

06:35 PM

Moonrise

08:22 PM

Moonset

11:10 AM

Moon Phase

Waning Gibbous

Moon Illumination

75%

Air Quality

PM2.5

10

μg/m³

PM10

10.3

μg/m³

NO₂

17.4

μg/m³

O₃

44.5

μg/m³

SO₂

1.3

μg/m³

CO

205.1

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

0.12

Diffuse Radiation

0.06

DNI

0

GTI

0

When to visit New Haven?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: June July August

January

☀️
3°C
💧
16 Days of rain
❄️
Very heavy snowfall
🥶 Coldest month

February

☀️
4°C
💧
15 Days of rain
❄️
Very heavy snowfall

March

☀️
7°C
💧
19 Days of rain
❄️
Very heavy snowfall

April

☀️
12°C
💧
17 Days of rain
❄️
Moderate snowfall

May

☀️
18°C
💧
15 Days of rain
❄️
No snowfall

June

☀️
23°C
💧
15 Days of rain
❄️
No snowfall
⭐ Best time to visit

July

☀️
27°C
💧
12 Days of rain
❄️
No snowfall
⭐ Best time to visit
🔥 Hottest month
🌵 Driest month

August

☀️
27°C
💧
15 Days of rain
❄️
No snowfall
⭐ Best time to visit

September

☀️
23°C
💧
16 Days of rain
❄️
No snowfall

October

☀️
18°C
💧
19 Days of rain
❄️
Light snow possible

November

☀️
12°C
💧
16 Days of rain
❄️
Moderate snowfall

December

☀️
6°C
💧
20 Days of rain
❄️
Very heavy snowfall
🌧 Wettest month,