Currently: 19 °F. Sunny. (Weather station: Groton / New London Airport, USA). See more current weatherPast Weather in Groton — Graph
Groton Temperature Yesterday
Maximum temperature yesterday: 28 °F (at 12:56 am)
Minimum temperature yesterday: 17 °F (at 9:56 pm)
Average temperature yesterday: 21 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 50 °F (Jan 8, 1:56 pm) | 100% (Jan 7, 8:03 am) | 30.55 "Hg (Jan 7, 8:03 am) |
| Low | 10 °F (Jan 21, 5:56 am) | 31% (Jan 16, 2:56 pm) | 29.34 "Hg (Jan 15, 5:56 am) |
| Average | 35 °F | 76% | 29.93 "Hg |
| * Reported Jan 6 8:56 am — Jan 21 8:56 am, Groton. Weather by CustomWeather, © 2026 | |||
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
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 8:56 am Wed, Jan 21 | | 19 °F | Sunny. | 10 mph | ↑ | 39% | 30.55 "Hg | 10 mi |
| 7:56 am | | 17 °F | Sunny. | 7 mph | ↑ | 45% | 30.54 "Hg | 10 mi |
| 6:56 am |  | 12 °F | Clear. | No wind | ↑ | 56% | 30.54 "Hg | 10 mi |
| 5:56 am | | 10 °F | Clear. | No wind | ↑ | 73% | 30.53 "Hg | 10 mi |
| 4:56 am | | 11 °F | Clear. | 3 mph | ↑ | 61% | 30.52 "Hg | 10 mi |
| 3:56 am | | 13 °F | Clear. | No wind | ↑ | 54% | 30.51 "Hg | 10 mi |
| 2:56 am | | 15 °F | Clear. | 7 mph | ↑ | 49% | 30.50 "Hg | 10 mi |
| 1:56 am | | 15 °F | Clear. | 6 mph | ↑ | 49% | 30.49 "Hg | 10 mi |
| 12:56 am | | 17 °F | Clear. | 8 mph | ↑ | 45% | 30.48 "Hg | 10 mi |
| 11:56 pm Tue, Jan 20 | | 17 °F | Clear. | 10 mph | ↑ | 42% | 30.49 "Hg | 10 mi |
| 10:56 pm | | 17 °F | Clear. | 8 mph | ↑ | 42% | 30.47 "Hg | 10 mi |
| 9:56 pm | | 17 °F | Clear. | 7 mph | ↑ | 45% | 30.45 "Hg | 10 mi |
| 8:56 pm | | 18 °F | Clear. | 9 mph | ↑ | 41% | 30.43 "Hg | 10 mi |
| 7:56 pm | | 19 °F | Clear. | 14 mph | ↑ | 39% | 30.40 "Hg | 10 mi |
| 6:56 pm | | 19 °F | Clear. | 8 mph | ↑ | 39% | 30.38 "Hg | 10 mi |
| 5:56 pm | | 20 °F | Clear. | 12 mph | ↑ | 38% | 30.34 "Hg | 10 mi |
| 4:56 pm | | 20 °F | Clear. | 12 mph | ↑ | 38% | 30.29 "Hg | 10 mi |
| 3:56 pm | | 21 °F | Sunny. | 17 mph | ↑ | 38% | 30.26 "Hg | 10 mi |
| 2:56 pm | | 23 °F | Sunny. | 15 mph | ↑ | 40% | 30.21 "Hg | 10 mi |
| 1:56 pm | | 24 °F | Sunny. | 18 mph | ↑ | 36% | 30.19 "Hg | 10 mi |
| 12:56 pm | | 24 °F | Sunny. | 16 mph | ↑ | 36% | 30.19 "Hg | 10 mi |
| 11:56 am | | 23 °F | Sunny. | 14 mph | ↑ | 36% | 30.19 "Hg | 10 mi |
| 10:56 am | | 23 °F | Sunny. | 14 mph | ↑ | 36% | 30.21 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||