Groton - New London (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius; -
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 25 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 26 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 26 degrees Celsius; Minimum nighttime temperature: 22 degrees Celsius;
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 28 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius;
Clear.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Groton - New London
Today (5 September 2026)
| Time |
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
| Chance of precipitation |
30%
|
20%
|
10%
|
10%
|
| Temperature |
19°
|
18°
|
18°
|
17°
|
| Feels like temperature (°C) |
18°
|
17°
|
16°
|
15°
|
| Wind direction and speed |
ENE
10
|
ENE
11
|
ENE
12
|
ENE
11
|
| Wind gust (mph) |
16
|
17
|
16
|
16
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
81%
|
77%
|
76%
|
| UV | - | - | - | - |
Sunday (6 September 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
 |
|
 |
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
10%
|
10%
|
20%
|
20%
|
30%
|
40%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
15°
|
16°
|
16°
|
17°
|
18°
|
19°
|
20°
|
20°
|
20°
|
21°
|
21°
|
20°
|
20°
|
19°
|
17°
|
16°
|
16°
|
15°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
15°
|
16°
|
17°
|
19°
|
20°
|
20°
|
20°
|
21°
|
21°
|
20°
|
20°
|
18°
|
17°
|
16°
|
15°
|
14°
|
| Wind direction and speed (mph) |
ENE
10
|
ENE
10
|
NE
9
|
NE
9
|
NNE
9
|
NNE
9
|
NNE
9
|
NE
10
|
NE
10
|
NE
10
|
NE
8
|
NE
6
|
NNE
5
|
N
4
|
N
4
|
NNW
4
|
NNW
4
|
NNW
4
|
NNW
4
|
NW
4
|
WNW
5
|
WNW
5
|
WNW
6
|
WNW
7
|
| Wind gust (mph) |
14
|
13
|
13
|
13
|
13
|
13
|
15
|
16
|
17
|
16
|
14
|
12
|
10
|
10
|
10
|
10
|
9
|
9
|
8
|
8
|
8
|
8
|
10
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
75%
|
75%
|
75%
|
76%
|
77%
|
81%
|
82%
|
80%
|
78%
|
75%
|
70%
|
67%
|
63%
|
63%
|
62%
|
62%
|
63%
|
61%
|
63%
|
63%
|
65%
|
65%
|
67%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 7 | 4 | 6 | 4 | 4 | 2 | 1 | 1 | 1 | - | - | - | - |
Monday (7 September 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
14°
|
15°
|
17°
|
20°
|
22°
|
23°
|
24°
|
24°
|
25°
|
25°
|
24°
|
23°
|
21°
|
19°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
13°
|
15°
|
17°
|
19°
|
21°
|
22°
|
23°
|
24°
|
24°
|
24°
|
23°
|
20°
|
18°
|
17°
|
16°
|
15°
|
| Wind direction and speed (mph) |
NW
8
|
NW
10
|
NNW
10
|
NNW
10
|
NW
11
|
NW
11
|
NW
11
|
NW
11
|
NW
11
|
NW
12
|
NW
12
|
NW
12
|
NNW
10
|
NNW
10
|
NNW
9
|
NNW
8
|
NW
8
|
NW
7
|
NW
7
|
WNW
7
|
WNW
7
|
WNW
8
|
NW
8
|
NW
8
|
| Wind gust (mph) |
14
|
16
|
16
|
16
|
16
|
17
|
17
|
17
|
18
|
19
|
19
|
19
|
19
|
17
|
16
|
15
|
14
|
11
|
10
|
10
|
11
|
11
|
11
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
72%
|
73%
|
74%
|
75%
|
76%
|
75%
|
75%
|
76%
|
75%
|
73%
|
65%
|
57%
|
54%
|
43%
|
48%
|
52%
|
54%
|
56%
|
57%
|
61%
|
63%
|
63%
|
64%
|
65%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 6 | 4 | 3 | 1 | 1 | 1 | - | - | - | - |
Tuesday (8 September 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
17°
|
19°
|
21°
|
23°
|
24°
|
25°
|
26°
|
26°
|
26°
|
25°
|
25°
|
23°
|
21°
|
20°
|
20°
|
19°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
14°
|
15°
|
18°
|
20°
|
22°
|
24°
|
25°
|
26°
|
26°
|
26°
|
26°
|
25°
|
23°
|
21°
|
20°
|
19°
|
19°
|
| Wind direction and speed (mph) |
NW
8
|
NW
8
|
NW
9
|
NW
9
|
NW
10
|
NW
10
|
NW
10
|
NW
9
|
NW
9
|
NW
8
|
NW
9
|
WNW
9
|
WNW
8
|
WNW
8
|
WNW
8
|
W
8
|
W
8
|
W
8
|
WSW
7
|
WSW
7
|
WSW
6
|
WSW
7
|
WSW
7
|
W
6
|
| Wind gust (mph) |
11
|
12
|
14
|
14
|
14
|
14
|
14
|
14
|
13
|
14
|
15
|
15
|
15
|
15
|
15
|
14
|
13
|
12
|
10
|
10
|
9
|
9
|
9
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
66%
|
66%
|
67%
|
69%
|
72%
|
74%
|
74%
|
75%
|
75%
|
74%
|
65%
|
63%
|
62%
|
62%
|
63%
|
63%
|
64%
|
65%
|
69%
|
72%
|
73%
|
74%
|
75%
|
75%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 7 | 7 | 7 | 6 | 4 | 2 | 1 | 1 | 1 | - | - | - | - |
Wednesday (9 September 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
19°
|
21°
|
23°
|
24°
|
25°
|
26°
|
26°
|
26°
|
26°
|
26°
|
25°
|
24°
|
24°
|
23°
|
23°
|
23°
|
| Feels like temperature (°C) |
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
19°
|
21°
|
23°
|
25°
|
26°
|
26°
|
26°
|
26°
|
26°
|
25°
|
24°
|
22°
|
22°
|
21°
|
21°
|
21°
|
| Wind direction and speed (mph) |
W
6
|
WSW
6
|
WSW
6
|
WSW
7
|
SW
7
|
SW
7
|
SW
7
|
SW
7
|
SW
7
|
SW
8
|
SW
9
|
SSW
9
|
SSW
10
|
SSW
11
|
SSW
11
|
SSW
12
|
SSW
12
|
SSW
13
|
SSW
14
|
SSW
16
|
SSW
17
|
SSW
17
|
SW
17
|
SW
17
|
| Wind gust (mph) |
8
|
9
|
9
|
10
|
10
|
10
|
10
|
10
|
12
|
14
|
16
|
17
|
19
|
19
|
21
|
20
|
20
|
21
|
24
|
25
|
26
|
26
|
26
|
26
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
78%
|
77%
|
80%
|
82%
|
83%
|
83%
|
84%
|
85%
|
83%
|
77%
|
75%
|
74%
|
71%
|
68%
|
68%
|
68%
|
71%
|
73%
|
75%
|
78%
|
82%
|
84%
|
84%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 | 1 | - | - | - | - |
Thursday (10 September 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
30%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
20%
|
20%
|
| Temperature (°C) |
23°
|
23°
|
23°
|
23°
|
23°
|
23°
|
22°
|
22°
|
22°
|
24°
|
25°
|
26°
|
27°
|
27°
|
28°
|
28°
|
28°
|
27°
|
26°
|
25°
|
24°
|
22°
|
| Feels like temperature (°C) |
21°
|
21°
|
21°
|
21°
|
20°
|
21°
|
20°
|
20°
|
21°
|
22°
|
23°
|
25°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
25°
|
24°
|
20°
|
| Wind direction and speed (mph) |
SW
18
|
SW
17
|
SW
17
|
SW
17
|
WSW
17
|
WSW
17
|
WSW
17
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
16
|
W
16
|
W
16
|
W
16
|
W
15
|
W
14
|
W
13
|
W
13
|
W
12
|
W
11
|
WNW
10
|
NW
11
|
| Wind gust (mph) |
26
|
26
|
26
|
26
|
25
|
24
|
24
|
24
|
24
|
26
|
26
|
26
|
27
|
26
|
– | – | – | – | – | – |
18
|
19
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
– | – |
VG
|
– | – |
VG
|
VG
|
| Humidity |
83%
|
83%
|
83%
|
83%
|
83%
|
83%
|
84%
|
84%
|
85%
|
84%
|
82%
|
79%
|
77%
|
74%
|
72%
|
72%
|
72%
|
71%
|
71%
|
72%
|
74%
|
70%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 5 | 6 | 7 | 7 | 6 | 1 | 1 | 1 | 1 | 1 | - | - |
Friday (11 September 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
20°
|
18°
|
18°
|
21°
|
23°
|
22°
|
19°
|
16°
|
| Feels like temperature (°C) |
18°
|
16°
|
16°
|
19°
|
21°
|
20°
|
17°
|
14°
|
| Wind direction and speed (mph) |
NW
11
|
NW
12
|
NW
12
|
NW
11
|
NW
11
|
NW
9
|
NNW
9
|
NNW
9
|
| Wind gust (mph) |
19
|
20
|
21
|
20
|
19
|
17
|
15
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
68%
|
70%
|
71%
|
60%
|
50%
|
50%
|
56%
|
63%
|
| UV | - | - | 2 | 7 | 6 | 1 | - | - |
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Forecast for 9pm (UTC-4) Saturday
Updated 19:26 (UTC+1) on Sat 5 Sep 2026
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