Groton - New London (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius; -
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: -2° Celsius;
Maximum daytime temperature: 6 degrees Celsius; Minimum nighttime temperature: -2 degrees Celsius; -
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -1° Celsius;
Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: -1 degrees Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 7 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius;
-
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 2° Celsius;Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius;
-
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 0 degrees Celsius; -
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: -4° Celsius;
Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: -4 degrees Celsius;
Heavy rain changing to thunder by late morning.
Sunrise:
Sunset:
L UV
No pollution data.
No pollen data.
7 day forecast for Groton - New London
Today (16 March 2026)
| 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 |
<5%
|
10%
|
70%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
90%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
| Temperature |
5°
|
5°
|
6°
|
6°
|
7°
|
8°
|
9°
|
10°
|
11°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
| Feels like temperature (°C) |
-1°
|
0°
|
1°
|
2°
|
3°
|
4°
|
5°
|
6°
|
7°
|
8°
|
9°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
| Wind direction and speed |
ESE
18
|
ESE
19
|
ESE
20
|
ESE
21
|
ESE
20
|
ESE
21
|
SE
21
|
SE
21
|
SE
20
|
SSE
19
|
S
19
|
S
19
|
S
21
|
S
22
|
S
22
|
S
23
|
S
22
|
S
23
|
S
24
|
S
25
|
S
27
|
S
28
|
S
29
|
| Wind gust (mph) |
29
|
30
|
31
|
31
|
32
|
33
|
34
|
33
|
32
|
30
|
30
|
32
|
35
|
36
|
37
|
37
|
37
|
39
|
41
|
43
|
45
|
48
|
51
|
| Visibility |
VG
|
G
|
G
|
M
|
P
|
P
|
P
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
| Humidity |
91%
|
92%
|
92%
|
93%
|
96%
|
98%
|
99%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
100%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Tuesday (17 March 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 |
≥95%
|
≥95%
|
80%
|
20%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
13°
|
11°
|
9°
|
7°
|
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
6°
|
6°
|
6°
|
6°
|
5°
|
4°
|
2°
|
1°
|
0°
|
0°
|
0°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
9°
|
8°
|
6°
|
3°
|
2°
|
1°
|
0°
|
0°
|
0°
|
0°
|
1°
|
1°
|
1°
|
0°
|
-1°
|
-2°
|
-4°
|
-5°
|
-6°
|
-7°
|
-7°
|
| Wind direction and speed (mph) |
S
31
|
S
31
|
SSW
30
|
SSW
25
|
WSW
23
|
W
22
|
W
19
|
WSW
18
|
W
20
|
W
22
|
W
22
|
W
23
|
W
23
|
W
23
|
W
22
|
W
22
|
W
21
|
W
21
|
W
22
|
WNW
23
|
WNW
23
|
WNW
22
|
WNW
22
|
WNW
21
|
| Wind gust (mph) |
53
|
52
|
49
|
40
|
36
|
32
|
28
|
29
|
32
|
34
|
35
|
35
|
35
|
35
|
35
|
34
|
34
|
33
|
34
|
34
|
34
|
33
|
32
|
30
|
| Visibility (description) |
VP
|
P
|
P
|
M
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
100%
|
100%
|
99%
|
98%
|
85%
|
74%
|
73%
|
74%
|
69%
|
60%
|
51%
|
42%
|
41%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
41%
|
42%
|
42%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | - | - | - | - | - |
Wednesday (18 March 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) |
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-1°
|
0°
|
1°
|
1°
|
2°
|
2°
|
3°
|
3°
|
2°
|
2°
|
1°
|
0°
|
0°
|
0°
|
-1°
|
| Feels like temperature (°C) |
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-7°
|
-6°
|
-5°
|
-3°
|
-2°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-3°
|
-4°
|
-4°
|
-4°
|
-5°
|
-5°
|
| Wind direction and speed (mph) |
WNW
19
|
WNW
19
|
WNW
18
|
WNW
17
|
WNW
16
|
WNW
15
|
WNW
14
|
NW
12
|
NW
11
|
NW
10
|
NW
8
|
WNW
7
|
W
6
|
WSW
5
|
WSW
6
|
SSW
6
|
S
8
|
S
9
|
S
10
|
S
10
|
SSW
10
|
SSW
10
|
SSW
9
|
SSW
8
|
| Wind gust (mph) |
29
|
28
|
27
|
25
|
24
|
22
|
21
|
19
|
18
|
17
|
16
|
15
|
13
|
14
|
16
|
17
|
18
|
18
|
19
|
18
|
17
|
16
|
15
|
13
|
| 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 |
42%
|
42%
|
42%
|
41%
|
41%
|
41%
|
41%
|
41%
|
40%
|
40%
|
40%
|
40%
|
40%
|
39%
|
39%
|
39%
|
39%
|
40%
|
41%
|
45%
|
50%
|
52%
|
55%
|
56%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Thursday (19 March 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) |
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
2°
|
3°
|
4°
|
5°
|
6°
|
7°
|
7°
|
7°
|
7°
|
6°
|
5°
|
4°
|
3°
|
3°
|
3°
|
| Feels like temperature (°C) |
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-4°
|
-3°
|
-1°
|
0°
|
2°
|
3°
|
3°
|
4°
|
4°
|
4°
|
4°
|
3°
|
2°
|
1°
|
0°
|
0°
|
-1°
|
| Wind direction and speed (mph) |
SSW
8
|
SSW
7
|
SSW
7
|
SSW
6
|
S
6
|
SSW
6
|
S
6
|
S
6
|
S
6
|
S
6
|
SSW
7
|
SSW
7
|
SSW
8
|
SSW
8
|
SSW
9
|
SSW
9
|
SSW
8
|
SSW
9
|
SSW
9
|
S
8
|
S
9
|
S
9
|
SSW
9
|
SW
10
|
| Wind gust (mph) |
13
|
11
|
10
|
10
|
9
|
9
|
9
|
10
|
11
|
13
|
14
|
16
|
16
|
17
|
17
|
17
|
16
|
15
|
13
|
14
|
14
|
14
|
14
|
13
|
| 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 |
56%
|
59%
|
60%
|
63%
|
64%
|
65%
|
65%
|
66%
|
66%
|
66%
|
65%
|
64%
|
64%
|
64%
|
65%
|
66%
|
67%
|
68%
|
69%
|
73%
|
75%
|
76%
|
80%
|
82%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | - | - | - | - | - |
Friday (20 March 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
4°
|
5°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
8°
|
7°
|
6°
|
5°
|
4°
|
| Feels like temperature (°C) |
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
0°
|
2°
|
3°
|
5°
|
5°
|
6°
|
7°
|
6°
|
6°
|
5°
|
3°
|
2°
|
0°
|
| Wind direction and speed (mph) |
SW
9
|
WSW
10
|
WSW
9
|
W
10
|
W
10
|
WNW
10
|
WNW
11
|
WNW
11
|
WNW
10
|
WNW
11
|
NW
12
|
NW
11
|
WNW
11
|
WNW
11
|
WNW
11
|
W
11
|
W
11
|
W
11
|
W
10
|
WSW
9
|
WSW
9
|
WSW
10
|
| Wind gust (mph) |
14
|
14
|
14
|
15
|
15
|
16
|
16
|
15
|
18
|
21
|
20
|
19
|
20
|
20
|
20
|
20
|
20
|
18
|
16
|
14
|
17
|
17
|
| 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 |
83%
|
84%
|
84%
|
83%
|
82%
|
81%
|
78%
|
76%
|
74%
|
72%
|
66%
|
63%
|
64%
|
62%
|
61%
|
62%
|
62%
|
62%
|
66%
|
66%
|
67%
|
74%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | - | - | - |
Saturday (21 March 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
30%
|
30%
|
30%
|
50%
|
40%
|
30%
|
10%
|
| Temperature (°C) |
3°
|
3°
|
4°
|
7°
|
9°
|
9°
|
7°
|
4°
|
| Feels like temperature (°C) |
-1°
|
-1°
|
0°
|
3°
|
6°
|
5°
|
3°
|
0°
|
| Wind direction and speed (mph) |
SW
10
|
SSW
10
|
S
14
|
SSW
16
|
SSW
16
|
SW
16
|
W
15
|
WNW
15
|
| Wind gust (mph) |
17
|
23
|
26
|
29
|
28
|
28
|
27
|
30
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
| Humidity |
81%
|
84%
|
82%
|
84%
|
81%
|
80%
|
78%
|
80%
|
| UV | - | - | 1 | 2 | 3 | 1 | - | - |
Sunday (22 March 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
| Temperature (°C) |
3°
|
1°
|
0°
|
2°
|
4°
|
3°
|
1°
|
-1°
|
| Feels like temperature (°C) |
-3°
|
-5°
|
-7°
|
-4°
|
-1°
|
-2°
|
-5°
|
-7°
|
| Wind direction and speed (mph) |
WNW
18
|
WNW
18
|
NW
18
|
WNW
19
|
WNW
18
|
WNW
17
|
NW
15
|
NW
14
|
| Wind gust (mph) |
31
|
30
|
33
|
34
|
33
|
33
|
27
|
28
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
64%
|
58%
|
55%
|
47%
|
42%
|
44%
|
49%
|
50%
|
| UV | - | - | 1 | 4 | 4 | 1 | - | - |
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Forecast
Forecast for 2am (UTC-4) Monday
Updated 00:23 (UTC) on Mon 16 Mar 2026
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