Currently: 54 °F. Passing clouds. (Weather station: Groton / New London Airport, USA). See more current weatherPast Weather in Groton — Graph
Groton Temperature Yesterday
Maximum temperature yesterday: 47 °F (at 2:56 pm)
Minimum temperature yesterday: 29 °F (at 6:56 am)
Average temperature yesterday: 41 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 63 °F (Mar 9, 1:56 pm) | 100% (Mar 7, 4:37 am) | 30.50 "Hg (Mar 7, 4:37 am) |
| Low | 23 °F (Mar 19, 3:56 am) | 23% (Mar 17, 3:56 pm) | 29.32 "Hg (Mar 17, 1:23 am) |
| Average | 41 °F | 80% | 29.99 "Hg |
| * Reported Mar 6 8:13 am — Mar 21 9:56 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 | ||
| 9:56 am Sat, Mar 21 | | 52 °F | Passing clouds. | 15 mph | ↑ | 61% | 29.81 "Hg | 10 mi |
| 8:56 am |  | 50 °F | Sunny. | 13 mph | ↑ | 74% | 29.79 "Hg | 10 mi |
| 7:56 am | | 43 °F | Sunny. | No wind | ↑ | 97% | 29.78 "Hg | 10 mi |
| 6:56 am |  | 43 °F | Low clouds. | 6 mph | ↑ | 93% | 29.75 "Hg | 8 mi |
| 5:56 am |  | 44 °F | Low clouds. | 3 mph | ↑ | 93% | 29.74 "Hg | 10 mi |
| 4:56 am | | 44 °F | Low clouds. | 3 mph | ↑ | 89% | 29.72 "Hg | 10 mi |
| 4:44 am | | 44 °F | Low clouds. | 5 mph | ↑ | 89% | 29.73 "Hg | 10 mi |
| 3:56 am | | 44 °F | Overcast. | No wind | ↑ | 93% | 29.72 "Hg | 10 mi |
| 2:56 am | | 44 °F | Mostly cloudy. | 5 mph | ↑ | 93% | 29.74 "Hg | 10 mi |
| 1:56 am | | 43 °F | Low clouds. | 7 mph | ↑ | 97% | 29.76 "Hg | 10 mi |
| 12:56 am |  | 44 °F | Light rain. Low clouds. | 9 mph | ↑ | 93% | 29.77 "Hg | 9 mi |
| 12:36 am | | 43 °F | Low clouds. | 7 mph | ↑ | 93% | 29.79 "Hg | 10 mi |
| 11:56 pm Fri, Mar 20 | | 43 °F | Light rain. Mostly cloudy. | 7 mph | ↑ | 93% | 29.80 "Hg | 9 mi |
| 10:56 pm | | 42 °F | Light rain. Overcast. | 8 mph | ↑ | 92% | 29.83 "Hg | 8 mi |
| 9:56 pm | | 43 °F | Light rain. Overcast. | 9 mph | ↑ | 93% | 29.85 "Hg | 7 mi |
| 8:56 pm | | 43 °F | Light rain. Fog. | 9 mph | ↑ | 89% | 29.87 "Hg | 5 mi |
| 7:56 pm | | 44 °F | Overcast. | 9 mph | ↑ | 82% | 29.86 "Hg | 10 mi |
| 6:56 pm |  | 43 °F | Mostly cloudy. | 9 mph | ↑ | 79% | 29.85 "Hg | 10 mi |
| 5:56 pm | | 44 °F | Scattered clouds. | 12 mph | ↑ | 76% | 29.86 "Hg | 10 mi |
| 4:56 pm | | 45 °F | Sunny. | 12 mph | ↑ | 68% | 29.88 "Hg | 10 mi |
| 3:56 pm | | 47 °F | Sunny. | 13 mph | ↑ | 61% | 29.91 "Hg | 10 mi |
| 2:56 pm | | 47 °F | Sunny. | 12 mph | ↑ | 66% | 29.95 "Hg | 10 mi |
| 1:56 pm | | 45 °F | Overcast. | 16 mph | ↑ | 71% | 30.00 "Hg | 10 mi |
| 12:56 pm | | 45 °F | Overcast. | 6 mph | ↑ | 68% | 30.04 "Hg | 10 mi |
| 11:56 am | | 45 °F | Sunny. | 7 mph | ↑ | 68% | 30.08 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||