Weather Forecast for New Haven
Connecticut, United States of America
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Current Weather - New Haven: 21°C
Current Weather - New Haven: 21°C
Connecticut, United States of America
Patchy rain nearby
Feels like 19°C
Wind
23 km/h WSW
Humidity
79%
Pressure
1011 mb
UV Index
0
Visibility
10 km
Overcast
Thursday, September 10, 2026
High
30°C
Low
21°C
Rain Chance
36%
Hourly Forecast
29°C
28°C
29°C
30°C
30°C
29°C
28°C
26°C
25°C
24°C
23°C
22°C
Day Statistics
Maximum Wind
30 km/h
Humidity
64%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:27 AM
Sunset
07:10 PM
Moonrise
05:28 AM
Moonset
06:46 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
5.9
μg/m³
PM10
6.6
μg/m³
NO₂
5.5
μg/m³
O₃
90.3
μg/m³
SO₂
1
μg/m³
CO
168.3
μg/m³
Overcast
Friday, September 11, 2026
High
24°C
Low
17°C
Rain Chance
8%
Hourly Forecast
22°C
21°C
21°C
21°C
20°C
20°C
18°C
18°C
18°C
19°C
20°C
21°C
22°C
23°C
23°C
23°C
24°C
24°C
23°C
21°C
19°C
18°C
18°C
17°C
Day Statistics
Maximum Wind
18 km/h
Humidity
48%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
06:28 AM
Sunset
07:08 PM
Moonrise
06:46 AM
Moonset
07:11 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
4.3
μg/m³
PM10
4.5
μg/m³
NO₂
6.8
μg/m³
O₃
71
μg/m³
SO₂
0.7
μg/m³
CO
180.2
μg/m³
Sunny
Saturday, September 12, 2026
High
22°C
Low
14°C
Rain Chance
3%
Hourly Forecast
17°C
16°C
16°C
15°C
15°C
15°C
14°C
14°C
15°C
18°C
20°C
20°C
21°C
21°C
22°C
22°C
22°C
22°C
22°C
21°C
20°C
20°C
19°C
19°C
Day Statistics
Maximum Wind
18 km/h
Humidity
56%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:29 AM
Sunset
07:06 PM
Moonrise
08:02 AM
Moonset
07:35 PM
Moon Phase
New Moon
Moon Illumination
3%
Air Quality
PM2.5
7.5
μg/m³
PM10
8.9
μg/m³
NO₂
8.5
μg/m³
O₃
71.5
μg/m³
SO₂
0.6
μg/m³
CO
173.3
μg/m³
Overcast
Sunday, September 13, 2026
High
25°C
Low
19°C
Rain Chance
12%
Hourly Forecast
19°C
19°C
19°C
19°C
19°C
19°C
19°C
19°C
21°C
21°C
22°C
22°C
23°C
24°C
25°C
24°C
25°C
24°C
24°C
23°C
22°C
22°C
21°C
22°C
Day Statistics
Maximum Wind
16 km/h
Humidity
71%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
12%
Snow Chance
0%
Sun & Moon
Sunrise
06:30 AM
Sunset
07:05 PM
Moonrise
09:17 AM
Moonset
08:01 PM
Moon Phase
Waxing Crescent
Moon Illumination
8%
Air Quality
PM2.5
7.1
μg/m³
PM10
8.7
μg/m³
NO₂
6.8
μg/m³
O₃
84.8
μg/m³
SO₂
1.1
μg/m³
CO
152.5
μg/m³
Overcast
Monday, September 14, 2026
High
26°C
Low
19°C
Rain Chance
57%
Hourly Forecast
21°C
21°C
22°C
20°C
20°C
22°C
19°C
19°C
22°C
21°C
22°C
25°C
24°C
25°C
26°C
26°C
26°C
25°C
25°C
25°C
24°C
24°C
23°C
23°C
Day Statistics
Maximum Wind
17 km/h
Humidity
78%
Precipitation
1 mm
UV Index
6
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:31 AM
Sunset
07:03 PM
Moonrise
10:32 AM
Moonset
08:30 PM
Moon Phase
Waxing Crescent
Moon Illumination
14%
Air Quality
PM2.5
5.5
μg/m³
PM10
5.6
μg/m³
NO₂
7.9
μg/m³
O₃
63.3
μg/m³
SO₂
1.2
μg/m³
CO
222
μg/m³
Sunny
Tuesday, September 15, 2026
High
28°C
Low
22°C
Rain Chance
13%
Hourly Forecast
23°C
22°C
22°C
22°C
22°C
22°C
22°C
23°C
23°C
24°C
25°C
26°C
26°C
27°C
27°C
28°C
28°C
28°C
27°C
26°C
25°C
25°C
24°C
24°C
Day Statistics
Maximum Wind
16 km/h
Humidity
82%
Precipitation
0 mm
UV Index
7
Visibility
9 km
Rain Chance
13%
Snow Chance
0%
Sun & Moon
Sunrise
06:32 AM
Sunset
07:01 PM
Moonrise
11:44 AM
Moonset
09:03 PM
Moon Phase
Waxing Crescent
Moon Illumination
23%
Sunny
Wednesday, September 16, 2026
High
31°C
Low
20°C
Rain Chance
62%
Hourly Forecast
24°C
24°C
23°C
23°C
23°C
23°C
23°C
23°C
24°C
25°C
27°C
29°C
29°C
30°C
31°C
30°C
30°C
30°C
28°C
26°C
24°C
22°C
21°C
20°C
Day Statistics
Maximum Wind
19 km/h
Humidity
74%
Precipitation
2 mm
UV Index
8
Visibility
8 km
Rain Chance
62%
Snow Chance
0%
Sun & Moon
Sunrise
06:33 AM
Sunset
06:59 PM
Moonrise
12:53 PM
Moonset
09:44 PM
Moon Phase
First Quarter
Moon Illumination
32%
Weather Alerts
Small Craft Advisory issued September 9 at 2:06PM EDT until September 10 at 8:00AM EDT by NWS Upton NY
* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and seas 1 to 3 feet expected. * WHERE...Long Island Sound, New York Harbor, Peconic and Gardiners Bays, and South Shore Bays from Jones Inlet through Shinnecock Bay. * WHEN...Until 8 AM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Small Craft Advisory issued September 10 at 2:22AM EDT until September 10 at 8:00AM EDT by NWS Upton NY
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 2 to 4 feet. * WHERE...Long Island Sound, New York Harbor, Peconic and Gardiners Bays, and South Shore Bays from Jones Inlet through Shinnecock Bay. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
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