Currently: 59 °F. Sunny. (Weather station: Groton / New London Airport, USA). See more current weatherPast Weather in Groton — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
38
42
46
50
54
58
62
66
70
74
Tue, Sep 23
Lo:68
12 pm
Hi:70
12
Lo:64
6 pm
Hi:68
4
Wed, Sep 24
Lo:64
12 am
Hi:64
3
Lo:64
6 am
Hi:70
5
Lo:64
12 pm
Hi:70
9
Lo:63
6 pm
Hi:64
9
Thu, Sep 25
Lo:63
12 am
Hi:64
6
Lo:63
6 am
Hi:68
6
Lo:66
12 pm
Hi:68
11
Lo:66
6 pm
Hi:68
11
Fri, Sep 26
Lo:61
12 am
Hi:68
7
Lo:61
6 am
Hi:68
4
Lo:68
12 pm
Hi:72
10
Lo:63
6 pm
Hi:72
4
Sat, Sep 27
Lo:55
12 am
Hi:63
4
Lo:55
6 am
Hi:70
6
Lo:66
12 pm
Hi:68
7
Lo:63
6 pm
Hi:66
4
Sun, Sep 28
Lo:61
12 am
Hi:64
4
Lo:61
6 am
Hi:66
4
Lo:66
12 pm
Hi:73
12
Lo:61
6 pm
Hi:68
6
Mon, Sep 29
Lo:57
12 am
Hi:61
4
Lo:57
6 am
Hi:70
7
Lo:64
12 pm
Hi:72
6
Lo:55
6 pm
Hi:64
1
Tue, Sep 30
Lo:52
12 am
Hi:55
1
Lo:54
6 am
Hi:72
4
Lo:68
12 pm
Hi:75
10
Lo:54
6 pm
Hi:68
9
Wed, Oct 1
Lo:48
12 am
Hi:54
10
Lo:48
6 am
Hi:61
14
Lo:61
12 pm
Hi:64
12
Lo:45
6 pm
Hi:61
7
Thu, Oct 2
Lo:43
12 am
Hi:45
7
Lo:43
6 am
Hi:57
8
Lo:55
12 pm
Hi:61
6
Lo:45
6 pm
Hi:55
2
Fri, Oct 3
Lo:39
12 am
Hi:45
3
Lo:43
6 am
Hi:61
4
Lo:61
12 pm
Hi:64
12
Lo:55
6 pm
Hi:61
10
Sat, Oct 4
Lo:54
12 am
Hi:55
4
Lo:46
6 am
Hi:68
4
Lo:68
12 pm
Hi:72
9
Lo:54
6 pm
Hi:68
1
Sun, Oct 5
Lo:48
12 am
Hi:54
0
Lo:48
6 am
Hi:72
4
Lo:66
12 pm
Hi:72
7
Lo:55
6 pm
Hi:66
3
Mon, Oct 6
Lo:54
12 am
Hi:63
2
Lo:63
6 am
Hi:68
9
Lo:64
12 pm
Hi:70
10
Lo:61
6 pm
Hi:64
11
Tue, Oct 7
Lo:61
12 am
Hi:63
9
Lo:63
6 am
Hi:70
11
Lo:66
12 pm
Hi:70
14
Lo:64
6 pm
Hi:66
17
Wed, Oct 8
Lo:64
12 am
Hi:66
16
Lo:61
6 am
Hi:66
14
Lo:57
12 pm
Hi:63
11
Tuesday, September 23, 2025, 12:00 pm — 6:00 pm
70 / 68 °F
Sunny.
Humidity: 98%
Barometer: 29.96 "Hg
SW
Wind: 11.807 mph
Groton Temperature Yesterday
Maximum temperature yesterday: 70 °F (at 12:56 pm)
Minimum temperature yesterday: 61 °F (at 1:56 am)
Average temperature yesterday: 65 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 75 °F (Sep 30, 2:56 pm) | 100% (Sep 23, 5:56 pm) | 30.48 "Hg (Sep 23, 5:56 pm) |
| Low | 39 °F (Oct 3, 4:56 am) | 43% (Oct 1, 1:56 pm) | 29.71 "Hg (Sep 25, 9:56 pm) |
| Average | 62 °F | 88% | 30.10 "Hg |
| * Reported Sep 23 4:56 pm — Oct 8 4:56 pm, Groton. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Groton Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 4:56 pm Wed, Oct 8 |  | 62 °F | Sunny. | 12 mph | ↑ | 70% | 29.99 "Hg | 10 mi |
| 3:56 pm |  | 60 °F | Broken clouds. | 15 mph | ↑ | 75% | 29.98 "Hg | 10 mi |
| 2:56 pm | | 59 °F | Broken clouds. | 13 mph | ↑ | 90% | 29.95 "Hg | 10 mi |
| 2:30 pm | | 59 °F | Partly sunny. | 13 mph | ↑ | 93% | 29.95 "Hg | 10 mi |
| 1:56 pm | | 58 °F | Broken clouds. | N/A | ↑ | 100% | 29.93 "Hg | 10 mi |
| 12:56 pm | | 60 °F | Mostly cloudy. | 15 mph | ↑ | 100% | 29.91 "Hg | 10 mi |
| 11:56 am |  | 62 °F | Overcast. | 7 mph | ↑ | 100% | 29.92 "Hg | 10 mi |
| 10:56 am |  | 61 °F | Light rain. Fog. | 3 mph | ↑ | 100% | 29.90 "Hg | 3 mi |
| 9:58 am | | 60 °F | Light rain. Fog. | N/A | ↑ | 100% | 29.90 "Hg | 3 mi |
| 9:32 am |  | 61 °F | Heavy rain. Fog. | 9 mph | ↑ | 100% | 29.90 "Hg | 2 mi |
| 9:04 am | | 67 °F | Mostly cloudy. | 20 mph | ↑ | 100% | 29.86 "Hg | 10 mi |
| 8:56 am | | 67 °F | More clouds than sun. | 23 mph | ↑ | 100% | 29.85 "Hg | 10 mi |
| 8:34 am | | 66 °F | More clouds than sun. | 22 mph | ↑ | 100% | 29.86 "Hg | 10 mi |
| 8:07 am | | 66 °F | Light rain. Fog. | 17 mph | ↑ | 100% | 29.87 "Hg | 3 mi |
| 6:56 am | | 66 °F | Light rain. More clouds than sun. | 18 mph | ↑ | 100% | 29.88 "Hg | 9 mi |
| 5:56 am |  | 67 °F | Overcast. | 21 mph | ↑ | 97% | 29.89 "Hg | 10 mi |
| 5:41 am |  | 67 °F | Partly cloudy. | 22 mph | ↑ | 97% | 29.91 "Hg | 10 mi |
| 4:56 am | | 67 °F | Mostly cloudy. | 22 mph | ↑ | 97% | 29.91 "Hg | 10 mi |
| 4:10 am | | 66 °F | Mostly cloudy. | 14 mph | ↑ | 100% | 29.94 "Hg | 10 mi |
| 3:56 am | | 66 °F | Mostly cloudy. | 12 mph | ↑ | 100% | 29.93 "Hg | 10 mi |
| 3:38 am | | 66 °F | Mostly cloudy. | 10 mph | ↑ | 100% | 29.95 "Hg | 10 mi |
| 2:56 am | | 66 °F | Overcast. | 10 mph | ↑ | 96% | 29.96 "Hg | 10 mi |
| 1:56 am |  | 66 °F | Passing clouds. | 15 mph | ↑ | 96% | 29.99 "Hg | 10 mi |
| 12:56 am | | 65 °F | Clear. | 17 mph | ↑ | 100% | 30.00 "Hg | 10 mi |
| 11:56 pm Tue, Oct 7 | | 65 °F | Clear. | 17 mph | ↑ | 100% | 30.02 "Hg | 10 mi |
| 10:56 pm | | 65 °F | Clear. | 17 mph | ↑ | 97% | 30.05 "Hg | 10 mi |
| 9:56 pm | | 65 °F | Clear. | 16 mph | ↑ | 100% | 30.06 "Hg | 10 mi |
| 8:56 pm | | 65 °F | Clear. | 17 mph | ↑ | 100% | 30.06 "Hg | 10 mi |
| 7:56 pm | | 66 °F | Clear. | 18 mph | ↑ | 96% | 30.06 "Hg | 10 mi |
| 6:56 pm | | 66 °F | Clear. | 17 mph | ↑ | 96% | 30.07 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||