National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

47°F

8°C

Humidity 97%
Wind Speed SW 8 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 9 Jan 9:56 pm EST
Extended Forecast for

2 Miles SSE Preston CT

  • Tonight

    Tonight: Scattered showers, mainly before 11pm. Mostly cloudy, with a low around 37. Southwest wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 50%.

    Low: 37 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 4pm. High near 46. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Partly Sunny
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 36. East wind around 6 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. West wind 6 to 15 mph.

    High: 44 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. West wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered showers, mainly before 11pm. Mostly cloudy, with a low around 37. Southwest wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 50%.
Saturday
Rain, mainly after 4pm. High near 46. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 36. East wind around 6 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 40 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. West wind 6 to 15 mph.
Sunday Night
Partly cloudy, with a low around 25. West wind 13 to 16 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly cloudy, with a high near 41.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Preston CT
 41.53°N 71.98°W (Elev. 200 ft)
Last Update:
6:02 pm EST Jan 9, 2026
Forecast Valid:
10pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation