Weather Forecast for New Haven
Connecticut, United States of America
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Current Weather - New Haven: 27°C
Current Weather - New Haven: 27°C
Connecticut, United States of America
Sunny
Feels like 28°C
Wind
21 km/h WSW
Humidity
49%
Pressure
1013 mb
UV Index
9
Visibility
10 km
Patchy rain nearby
Wednesday, May 20, 2026
High
29°C
Low
16°C
Rain Chance
84%
Hourly Forecast
21°C
20°C
19°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
28 km/h
Humidity
71%
Precipitation
1 mm
UV Index
9
Visibility
10 km
Rain Chance
84%
Snow Chance
0%
Sun & Moon
Sunrise
05:29 AM
Sunset
08:08 PM
Moonrise
08:59 AM
Moonset
No moonset
Moon Phase
Waxing Crescent
Moon Illumination
15%
Air Quality
PM2.5
11.3
μg/m³
PM10
13.5
μg/m³
NO₂
10.5
μg/m³
O₃
101.3
μg/m³
SO₂
2.3
μg/m³
CO
182.1
μg/m³
Partly Cloudy
Thursday, May 21, 2026
High
18°C
Low
12°C
Rain Chance
0%
Hourly Forecast
16°C
15°C
15°C
14°C
14°C
13°C
13°C
14°C
14°C
15°C
16°C
17°C
18°C
17°C
18°C
18°C
18°C
18°C
17°C
16°C
15°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
17 km/h
Humidity
50%
Precipitation
0 mm
UV Index
1
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:28 AM
Sunset
08:09 PM
Moonrise
10:16 AM
Moonset
12:37 AM
Moon Phase
Waxing Crescent
Moon Illumination
24%
Air Quality
PM2.5
3.4
μg/m³
PM10
3.7
μg/m³
NO₂
5.8
μg/m³
O₃
72.5
μg/m³
SO₂
1.3
μg/m³
CO
143.9
μg/m³
Sunny
Friday, May 22, 2026
High
17°C
Low
9°C
Rain Chance
0%
Hourly Forecast
12°C
11°C
10°C
10°C
9°C
9°C
10°C
11°C
12°C
14°C
15°C
15°C
16°C
16°C
17°C
17°C
16°C
16°C
16°C
15°C
14°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
16 km/h
Humidity
58%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:27 AM
Sunset
08:10 PM
Moonrise
11:32 AM
Moonset
01:11 AM
Moon Phase
Waxing Crescent
Moon Illumination
34%
Air Quality
PM2.5
7.4
μg/m³
PM10
8.9
μg/m³
NO₂
10.2
μg/m³
O₃
72.8
μg/m³
SO₂
1.7
μg/m³
CO
173.5
μg/m³
Patchy rain nearby
Saturday, May 23, 2026
High
13°C
Low
11°C
Rain Chance
85%
Hourly Forecast
13°C
13°C
13°C
13°C
12°C
12°C
13°C
12°C
12°C
12°C
12°C
12°C
11°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
11°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
9 km/h
Humidity
79%
Precipitation
1 mm
UV Index
3
Visibility
10 km
Rain Chance
85%
Snow Chance
0%
Sun & Moon
Sunrise
05:26 AM
Sunset
08:11 PM
Moonrise
12:42 PM
Moonset
01:38 AM
Moon Phase
First Quarter
Moon Illumination
45%
Air Quality
PM2.5
9.5
μg/m³
PM10
12.6
μg/m³
NO₂
8.7
μg/m³
O₃
73
μg/m³
SO₂
1.6
μg/m³
CO
153.5
μg/m³
Partly Cloudy
Sunday, May 24, 2026
High
14°C
Low
11°C
Rain Chance
0%
Hourly Forecast
11°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
11°C
12°C
12°C
12°C
13°C
13°C
14°C
14°C
14°C
14°C
13°C
12°C
12°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
21 km/h
Humidity
65%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:26 AM
Sunset
08:12 PM
Moonrise
01:50 PM
Moonset
02:00 AM
Moon Phase
Waxing Gibbous
Moon Illumination
56%
Patchy rain nearby
Monday, May 25, 2026
High
15°C
Low
10°C
Rain Chance
79%
Hourly Forecast
10°C
10°C
10°C
10°C
10°C
10°C
11°C
11°C
12°C
12°C
13°C
14°C
15°C
15°C
15°C
15°C
14°C
14°C
14°C
14°C
14°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
21 km/h
Humidity
79%
Precipitation
1 mm
UV Index
3
Visibility
9 km
Rain Chance
79%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
08:13 PM
Moonrise
02:54 PM
Moonset
02:21 AM
Moon Phase
Waxing Gibbous
Moon Illumination
66%
Patchy rain nearby
Tuesday, May 26, 2026
High
17°C
Low
14°C
Rain Chance
89%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
15°C
Day Statistics
Maximum Wind
17 km/h
Humidity
98%
Precipitation
4 mm
UV Index
3
Visibility
3 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:24 AM
Sunset
08:14 PM
Moonrise
03:58 PM
Moonset
02:41 AM
Moon Phase
Waxing Gibbous
Moon Illumination
75%
Solar Radiation Data
Shortwave Radiation
689.8
Diffuse Radiation
111.62
DNI
826.76
GTI
463.23
Weather Alerts
Heat Advisory issued May 20 at 1:29AM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA
* WHAT...Heat index values up to 96. * WHERE...Much of Southern New England, except for the eastern slopes of the Berkshires, the Rhode Island and Massachusetts South Coast, Cape Cod and the Islands. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and moderate humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
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