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Weather in Groton, Connecticut, USA

Now
43 °F

Quite cool.


Feels Like: N/A
Forecast: 46 / 35 °F
Wind: N/A

Location: Groton / New London Airport
Current Time: Mar 23, 2026 at 4:57:20 am
Latest Report: Mar 23, 2026 at 3:44 am
Visibility: N/A
Pressure: 29.75 "Hg
Humidity: 89%
Dew Point: 40 °F

Upcoming 5 hours

Now 5:00 am 6:00 am 7:00 am 8:00 am 9:00 am
43 °F 39 °F 39 °F 38 °F 37 °F 38 °F

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Forecast for the next 48 hours

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  Monday Tuesday
  Morning Afternoon Evening Night Morning Afternoon Evening
Forecast
Temperature 38 °F 39 °F 37 °F 34 °F 35 °F 44 °F 37 °F
Rain. Overcast. Sprin­kles. Overcast. Light mixture of precip. Overcast. Light snow. Broken clouds. Sunny. Partly cloudy. Overcast.
Feels Like 29 °F 32 °F 33 °F 24 °F 27 °F 41 °F 28 °F
Wind Speed 15 mph 12 mph 5 mph 14 mph 12 mph 5 mph 16 mph
Wind Direction NNE
N
NW
NNW
NNW
S
SSW
Humidity 84% 74% 73% 67% 53% 37% 57%
Dew Point 33 °F 31 °F 29 °F 24 °F 20 °F 20 °F 24 °F
Visibility 3 mi 3 mi 0 mi 2 mi 6 mi 6 mi 5 mi
Probability of Precipitation 82% 55% 27% 21% 0% 0% 0%
Amount of Rain 0.31" 0.05" 0.02" 0.00" 0.00" 0.00" 0.00"
Amount of Snow 0.00" 0.00" 0.02" 0.27" 0.00" 0.00" 0.00"
* Updated Monday, March 23, 2026 3:42:34 am Groton time - Weather by CustomWeather, © 2026

14 day forecast, day-by-day Hour-by-hour forecast for next week

Yesterday's weather

Overcast. 46 / 39 °F
Humidity: 92%. Wind: 6 mph from Southeast

More weather last week

Currently at nearby stations

41 °F

Westerly State Airport: (14 mi)

Rain. Fog.

41 °F

Montauk Airport: (20 mi)

Quite cool. (1 hour ago)

41 °F

Chester Airport: (22 mi)

Rain. Overcast.

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Forecast for the next 2 weeks

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22

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Detailed forecast for 14 days