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Weather in Groton, Connecticut, USA

Now
9 °C

Passing clouds.


Feels Like: 9 °C
Forecast: 12 / 0 °C
Wind: 6 km/h from North

Location: Groton / New London Airport
Current Time: Dec 19, 2025 at 2:48:16 am
Latest Report: Dec 19, 2025 at 1:56 am
Visibility: 13 km
Pressure: 101.43 kPa
Humidity: 93%
Dew Point: 8 °C

Upcoming 5 hours

Now 3:00 am 4:00 am 5:00 am 6:00 am 7:00 am
9 °C 7 °C 8 °C 8 °C 8 °C 8 °C

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Forecast for the next 48 hours

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  Friday Saturday
  Night Morning Afternoon Evening Night Morning Afternoon
Forecast
Temperature 7 °C 11 °C 10 °C 3 °C -1 °C 0 °C 3 °C
Drizzle. Overcast. Showery. Overcast. Heavy rain. Overcast. Light snow. Cloudy. Light snow. Mostly clear. Sunny. Broken clouds.
Feels Like 4 °C 7 °C 6 °C -4 °C -9 °C -6 °C -1 °C
Wind Speed 26 km/h 50 km/h 38 km/h 47 km/h 44 km/h 26 km/h 17 km/h
Wind Direction S
S
SW
W
W
W
WSW
Humidity 98% 93% 94% 65% 53% 53% 50%
Dew Point 7 °C 10 °C 9 °C -3 °C -9 °C -9 °C -7 °C
Visibility 5 km 3 km 3 km 7 km 10 km 13 km 11 km
Probability of Precipitation 33% 78% 74% 44% 8% 0% 0%
Amount of Rain 0.7 mm 14.2 mm 11.0 mm 0.7 mm 0.0 mm 0.0 mm 0.0 mm
Amount of Snow 0.0 mm 0.0 mm 0.0 mm 4.9 mm 1.0 mm 0.0 mm 0.0 mm
* Updated Thursday, December 18, 2025 8:42:36 pm Groton time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Sunny. 9 / -6 °C
Humidity: 82%. Wind: 8 km/h from Southeast

More weather last week

Currently at nearby stations

9 °C

Westerly State Airport: (23 km)

Fog.

9 °C

Montauk Airport: (33 km)

Cool.

9 °C

Chester Airport: (36 km)

Fog.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
14
15
16
17
18

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3

Detailed forecast for 14 days