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Weather New Haven: Current forecast

New Haven / Connecticut (CT) / United States

21.7 °C
Feels like 21.7 °C
Min 19 °C / Max 30 °C
Weather New Haven: Moderate or heavy rain with thunder, 22 °C Moderate or heavy rain with thunder
4.7 km/h NNW
Wind
9.8 km/h NNW
Gusts
1007 hPa
Pressure
0 mm
Precipitation
96 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
05:34 / 20:21
Sunrise / Sunset
10:22 / 22:47
Moonrise / Moonset
Waxing Crescent (23 %)
Moon phase

Updated: Jul 19, 2026, 1:16 CEST Jul 18, 2026, 19:16 EDT

Today's Summary

Right now New Haven has moderate or heavy rain with thunder weather. The thermometer currently shows 21.7°C. Take an umbrella with you today – you'll probably need it. During the day temperatures will range between 18.9°C and 30.1°C.

Hourly forecast – New Haven, today

Jul 18, 20:00
22 °C
Patchy rain possible
New Haven Jul 18, 20:00: Patchy rain possible, 22 °C
Jul 18, 21:00
21 °C
Patchy rain possible
New Haven Jul 18, 21:00: Patchy rain possible, 21 °C
Jul 18, 22:00
21 °C
Clear
New Haven Jul 18, 22:00: Clear, 21 °C
Jul 18, 23:00
21 °C
Patchy rain possible
New Haven Jul 18, 23:00: Patchy rain possible, 21 °C
Jul 19, 00:00
21 °C
Overcast
New Haven Jul 19, 00:00: Overcast, 21 °C
Jul 19, 01:00
21 °C
Clear
New Haven Jul 19, 01:00: Clear, 21 °C
Jul 19, 02:00
21 °C
Clear
New Haven Jul 19, 02:00: Clear, 21 °C
Jul 19, 03:00
20 °C
Clear
New Haven Jul 19, 03:00: Clear, 20 °C
Jul 19, 04:00
20 °C
Sunny
New Haven Jul 19, 04:00: Sunny, 20 °C
Jul 19, 05:00
20 °C
Sunny
New Haven Jul 19, 05:00: Sunny, 20 °C
Jul 19, 06:00
20 °C
Sunny
New Haven Jul 19, 06:00: Sunny, 20 °C
Jul 19, 07:00
21 °C
Sunny
New Haven Jul 19, 07:00: Sunny, 21 °C
Jul 19, 08:00
22 °C
Sunny
New Haven Jul 19, 08:00: Sunny, 22 °C
Jul 19, 09:00
23 °C
Sunny
New Haven Jul 19, 09:00: Sunny, 23 °C
Jul 19, 10:00
24 °C
Sunny
New Haven Jul 19, 10:00: Sunny, 24 °C
Jul 19, 11:00
25 °C
Sunny
New Haven Jul 19, 11:00: Sunny, 25 °C
Jul 19, 12:00
26 °C
Sunny
New Haven Jul 19, 12:00: Sunny, 26 °C
Jul 19, 13:00
26 °C
Sunny
New Haven Jul 19, 13:00: Sunny, 26 °C
Jul 19, 14:00
26 °C
Sunny
New Haven Jul 19, 14:00: Sunny, 26 °C
Jul 19, 15:00
26 °C
Sunny
New Haven Jul 19, 15:00: Sunny, 26 °C
Jul 19, 16:00
26 °C
Sunny
New Haven Jul 19, 16:00: Sunny, 26 °C
Jul 19, 17:00
24 °C
Sunny
New Haven Jul 19, 17:00: Sunny, 24 °C
Jul 19, 18:00
21 °C
Sunny
New Haven Jul 19, 18:00: Sunny, 21 °C
Jul 19, 19:00
20 °C
Clear
New Haven Jul 19, 19:00: Clear, 20 °C
Time
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
New Haven Jul 18, 20:00: Patchy rain possible
New Haven Jul 18, 21:00: Patchy rain possible
New Haven Jul 18, 22:00: Clear
New Haven Jul 18, 23:00: Patchy rain possible
New Haven Jul 19, 00:00: Overcast
New Haven Jul 19, 01:00: Clear
New Haven Jul 19, 02:00: Clear
New Haven Jul 19, 03:00: Clear
New Haven Jul 19, 04:00: Sunny
New Haven Jul 19, 05:00: Sunny
New Haven Jul 19, 06:00: Sunny
New Haven Jul 19, 07:00: Sunny
New Haven Jul 19, 08:00: Sunny
New Haven Jul 19, 09:00: Sunny
New Haven Jul 19, 10:00: Sunny
New Haven Jul 19, 11:00: Sunny
New Haven Jul 19, 12:00: Sunny
New Haven Jul 19, 13:00: Sunny
New Haven Jul 19, 14:00: Sunny
New Haven Jul 19, 15:00: Sunny
New Haven Jul 19, 16:00: Sunny
New Haven Jul 19, 17:00: Sunny
New Haven Jul 19, 18:00: Sunny
New Haven Jul 19, 19:00: Clear
Temperature (°C)
Chance of rain (%)
41
38
12
24
31
15
14
13
12
10
7
4
3
2
1
1
1
1
1
1
1
2
3
3
Precipitation
0.4 mm
0.2 mm
0 mm
Wind (km/h)
SW
26
SW
27
WSW
29
WSW
23
WSW
23
WSW
22
W
20
W
16
WNW
17
NNW
19
NNW
23
NNW
24
NNW
22
NNW
22
NNW
21
NW
19
NW
18
NW
18
NW
18
NW
17
NW
14
NW
11
NW
9
NW
9
Pressure (hPa)
1005
1004
1004
1004
1003
1003
1003
1004
1005
1006
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010
1011
1012
Humidity (%)
82 %
88 %
87 %
90 %
93 %
93 %
91 %
89 %
89 %
81 %
75 %
63 %
56 %
50 %
46 %
43 %
41 %
40 %
39 %
40 %
44 %
50 %
58 %
57 %
Cloud cover (%)
75 %
85 %
0 %
72 %
100 %
10 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
5 %
5 %
5 %
7 %
6 %
5 %
4 %

14-day weather forecast – New Haven

14-day trend for New Haven: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 14.5°C at night, with daytime highs up to 30.1°C.

Date
Jul 18
Jul 19
Jul 20
Jul 21
Jul 22
Jul 23
Jul 24
Jul 25
Jul 26
Jul 27
Jul 28
Jul 29
Jul 30
Jul 31
New Haven July 18, 2026: Smoky haze
New Haven July 19, 2026: Sunny
New Haven July 20, 2026: Sunny
New Haven July 21, 2026: Sunny
New Haven July 22, 2026: Patchy rain possible
New Haven July 23, 2026: Sunny
New Haven July 24, 2026: Sunny
New Haven July 25, 2026: Partly cloudy
New Haven July 26, 2026: Light drizzle
New Haven July 27, 2026: Sunny
New Haven July 28, 2026: Patchy rain possible
New Haven July 29, 2026: Light rain shower
New Haven July 30, 2026: Patchy rain possible
New Haven July 31, 2026: Patchy rain possible
Temperature (°C)
Chance of rain (%)
80
5
2
79
68
3
3
17
90
11
56
94
88
58
Precipitation
13.3 mm
0 mm
9.8 mm
3.8 mm
0.1 mm
8.1 mm
0.4 mm
53.9 mm
3.9 mm
0.5 mm
Wind max (km/h)
27
29
16
21
24
14
15
9
8
13
20
24
20
17
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
July 18, 2026 New Haven July 18, 2026: Smoky haze Smoky haze 19 °C 30 °C 05:34 20:21 10:22 22:47 Waxing Crescent (23 %)
July 19, 2026 New Haven July 19, 2026: Sunny Sunny 18 °C 26 °C 05:35 20:21 11:35 23:10 First Quarter (33 %)
July 20, 2026 New Haven July 20, 2026: Sunny Sunny 15 °C 25 °C 05:35 20:20 12:46 23:34 First Quarter (43 %)
July 21, 2026 New Haven July 21, 2026: Sunny Sunny 19 °C 25 °C 05:36 20:19 13:56 Does not set today First Quarter (53 %)
July 22, 2026 New Haven July 22, 2026: Patchy rain possible Patchy rain possible 19 °C 29 °C 05:37 20:18 15:05 00:00 First Quarter (64 %)
July 23, 2026 New Haven July 23, 2026: Sunny Sunny 15 °C 27 °C 05:38 20:17 16:12 00:31 Waxing Moon (74 %)
July 24, 2026 New Haven July 24, 2026: Sunny Sunny 16 °C 27 °C 05:39 20:17 17:14 01:08 Waxing Moon (82 %)
July 25, 2026 New Haven July 25, 2026: Partly cloudy Partly cloudy 16 °C 23 °C 05:40 20:16 18:10 01:52 Waxing Moon (90 %)
July 26, 2026 New Haven July 26, 2026: Light drizzle Light drizzle 16 °C 18 °C 05:41 20:15 18:58 02:44 Waxing Moon (95 %)
July 27, 2026 New Haven July 27, 2026: Sunny Sunny 16 °C 25 °C 05:42 20:14 19:38 03:42 Full Moon (99 %)
July 28, 2026 New Haven July 28, 2026: Patchy rain possible Patchy rain possible 18 °C 24 °C 05:43 20:13 20:10 04:43 Full Moon (100 %)
July 29, 2026 New Haven July 29, 2026: Light rain shower Light rain shower 18 °C 21 °C 05:44 20:12 20:37 05:47 Full Moon (99 %)
July 30, 2026 New Haven July 30, 2026: Patchy rain possible Patchy rain possible 19 °C 21 °C 05:45 20:11 20:59 06:50 Waning Moon (96 %)
July 31, 2026 New Haven July 31, 2026: Patchy rain possible Patchy rain possible 19 °C 23 °C 05:46 20:10 21:20 07:52 Waning Moon (91 %)