Groton - New London (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 16° Celsius;
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 18° Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 16° Celsius;
Overcast changing to sunny intervals by lunchtime.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Groton - New London
Today (18 September 2025)
| Time |
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 |
50%
|
50%
|
40%
|
30%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
19°
|
21°
|
22°
|
23°
|
23°
|
24°
|
24°
|
24°
|
23°
|
21°
|
19°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
20°
|
21°
|
23°
|
24°
|
25°
|
26°
|
26°
|
25°
|
24°
|
21°
|
19°
|
18°
|
17°
|
16°
|
| Wind direction and speed |
NE
12
|
NNE
11
|
NNE
11
|
NNE
10
|
NNE
10
|
NNE
10
|
NNE
9
|
NNE
8
|
NNE
7
|
NNE
6
|
N
5
|
NNW
4
|
NW
5
|
WNW
5
|
W
5
|
W
5
|
W
5
|
WSW
5
|
WSW
6
|
WSW
6
|
WSW
6
|
WSW
7
|
WSW
8
|
| Wind gust (mph) |
18
|
18
|
18
|
18
|
17
|
16
|
15
|
14
|
13
|
12
|
10
|
11
|
11
|
11
|
11
|
11
|
10
|
9
|
9
|
9
|
10
|
11
|
11
|
| Visibility |
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
94%
|
94%
|
95%
|
95%
|
95%
|
93%
|
93%
|
93%
|
93%
|
92%
|
88%
|
85%
|
83%
|
82%
|
82%
|
80%
|
81%
|
81%
|
79%
|
79%
|
79%
|
79%
|
79%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 3 | 3 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | 1 | - | - | - | - | - |
Friday (19 September 2025)
| 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 | |
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 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°
|
16°
|
16°
|
16°
|
16°
|
16°
|
18°
|
20°
|
22°
|
23°
|
24°
|
25°
|
25°
|
25°
|
25°
|
24°
|
23°
|
21°
|
20°
|
19°
|
18°
|
17°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
19°
|
21°
|
22°
|
24°
|
25°
|
25°
|
25°
|
25°
|
24°
|
23°
|
21°
|
19°
|
17°
|
16°
|
15°
|
| Wind direction and speed (mph) |
W
8
|
W
9
|
W
10
|
W
10
|
WNW
10
|
WNW
11
|
WNW
11
|
WNW
11
|
NW
11
|
NW
11
|
NW
11
|
NW
11
|
NW
10
|
NW
9
|
NW
9
|
NW
9
|
NW
9
|
NW
8
|
NW
8
|
NNW
8
|
NNW
8
|
N
8
|
N
10
|
NNE
12
|
| Wind gust (mph) |
12
|
13
|
14
|
15
|
15
|
16
|
16
|
17
|
19
|
20
|
20
|
19
|
18
|
18
|
18
|
17
|
17
|
15
|
14
|
14
|
15
|
17
|
19
|
21
|
| 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 |
78%
|
77%
|
76%
|
76%
|
77%
|
78%
|
78%
|
79%
|
79%
|
78%
|
75%
|
74%
|
73%
|
74%
|
74%
|
74%
|
73%
|
73%
|
72%
|
72%
|
67%
|
66%
|
66%
|
65%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 5 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | 1 | - | - | - | - | - |
Saturday (20 September 2025)
| 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°
|
15°
|
14°
|
13°
|
13°
|
12°
|
12°
|
13°
|
15°
|
17°
|
18°
|
19°
|
20°
|
20°
|
20°
|
20°
|
20°
|
19°
|
17°
|
15°
|
14°
|
14°
|
13°
|
| Feels like temperature (°C) |
14°
|
13°
|
12°
|
11°
|
11°
|
10°
|
10°
|
9°
|
10°
|
12°
|
14°
|
16°
|
17°
|
18°
|
19°
|
19°
|
19°
|
19°
|
17°
|
15°
|
14°
|
13°
|
12°
|
11°
|
| Wind direction and speed (mph) |
NNE
13
|
NNE
14
|
NNE
14
|
NNE
14
|
NNE
14
|
NNE
14
|
NE
13
|
NE
13
|
NE
13
|
NE
12
|
ENE
12
|
ENE
11
|
E
10
|
E
8
|
ESE
7
|
ESE
6
|
SE
6
|
SE
7
|
SE
8
|
SE
8
|
SE
9
|
SE
9
|
SE
9
|
SE
9
|
| Wind gust (mph) |
23
|
23
|
22
|
22
|
21
|
21
|
21
|
20
|
20
|
21
|
21
|
19
|
17
|
15
|
14
|
14
|
13
|
13
|
14
|
15
|
14
|
14
|
15
|
16
|
| 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 |
63%
|
59%
|
57%
|
57%
|
58%
|
57%
|
58%
|
59%
|
61%
|
62%
|
58%
|
56%
|
55%
|
53%
|
51%
|
48%
|
49%
|
51%
|
54%
|
55%
|
56%
|
58%
|
61%
|
62%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 5 | 6 | 7 | 6 | 5 | 4 | 2 | 1 | 1 | - | - | - | - | - |
Sunday (21 September 2025)
| 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) |
13°
|
12°
|
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
12°
|
14°
|
17°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
16°
|
15°
|
14°
|
13°
|
13°
|
| Feels like temperature (°C) |
11°
|
10°
|
10°
|
9°
|
9°
|
8°
|
8°
|
8°
|
10°
|
12°
|
15°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
15°
|
14°
|
13°
|
12°
|
12°
|
11°
|
| Wind direction and speed (mph) |
SE
10
|
SE
10
|
SE
10
|
SE
10
|
SE
10
|
SE
10
|
ESE
10
|
ESE
10
|
ESE
10
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
11
|
ESE
10
|
ESE
10
|
ESE
10
|
ESE
9
|
| Wind gust (mph) |
16
|
16
|
16
|
16
|
16
|
15
|
16
|
16
|
18
|
19
|
20
|
21
|
21
|
21
|
21
|
21
|
20
|
20
|
19
|
18
|
17
|
16
|
16
|
14
|
| 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 |
64%
|
64%
|
66%
|
67%
|
68%
|
69%
|
70%
|
70%
|
72%
|
71%
|
69%
|
67%
|
66%
|
65%
|
64%
|
64%
|
64%
|
66%
|
67%
|
69%
|
71%
|
74%
|
74%
|
74%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | - | - | - | - | - |
Monday (22 September 2025)
| 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
<5%
|
| Temperature (°C) |
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
15°
|
17°
|
19°
|
20°
|
21°
|
22°
|
22°
|
22°
|
21°
|
20°
|
19°
|
18°
|
16°
|
| Feels like temperature (°C) |
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
11°
|
14°
|
17°
|
19°
|
20°
|
21°
|
22°
|
22°
|
21°
|
21°
|
20°
|
18°
|
17°
|
15°
|
| Wind direction and speed (mph) |
ESE
8
|
ESE
9
|
ESE
8
|
ESE
8
|
ESE
8
|
ESE
8
|
E
8
|
ESE
8
|
ESE
8
|
ESE
7
|
SSE
7
|
SSW
7
|
S
6
|
S
7
|
S
7
|
S
7
|
S
7
|
S
8
|
S
7
|
SSE
8
|
S
9
|
S
10
|
| Wind gust (mph) |
13
|
13
|
13
|
13
|
13
|
13
|
13
|
14
|
14
|
14
|
14
|
14
|
15
|
14
|
15
|
15
|
14
|
14
|
13
|
14
|
15
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
75%
|
78%
|
78%
|
78%
|
80%
|
80%
|
82%
|
83%
|
82%
|
79%
|
79%
|
76%
|
74%
|
73%
|
73%
|
72%
|
74%
|
76%
|
78%
|
80%
|
86%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | - | - | - |
Tuesday (23 September 2025)
| 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) |
16°
|
17°
|
18°
|
22°
|
24°
|
24°
|
21°
|
20°
|
| Feels like temperature (°C) |
15°
|
16°
|
17°
|
22°
|
25°
|
25°
|
21°
|
19°
|
| Wind direction and speed (mph) |
SW
9
|
WSW
9
|
WSW
9
|
WSW
8
|
SW
8
|
SW
7
|
SSW
8
|
SW
8
|
| Wind gust (mph) |
15
|
15
|
16
|
16
|
16
|
14
|
14
|
14
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
90%
|
92%
|
92%
|
86%
|
85%
|
84%
|
86%
|
91%
|
| UV | - | - | 1 | 6 | 5 | 1 | - | - |
Wednesday (24 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
19°
|
19°
|
19°
|
23°
|
25°
|
25°
|
21°
|
19°
|
| Feels like temperature (°C) |
19°
|
18°
|
19°
|
24°
|
27°
|
26°
|
20°
|
19°
|
| Wind direction and speed (mph) |
WSW
9
|
WSW
8
|
W
8
|
W
9
|
WSW
9
|
WSW
8
|
WSW
10
|
W
9
|
| Wind gust (mph) |
13
|
14
|
17
|
18
|
18
|
15
|
15
|
16
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
93%
|
95%
|
93%
|
90%
|
85%
|
85%
|
84%
|
85%
|
| UV | - | - | 1 | 5 | 5 | 1 | - | - |
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Forecast
Forecast for 01:00 (UTC-4), Thu
Updated 01:23 (UTC+1) on Thu 18 Sep 2025
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