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

35°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.20 in (1022.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 19 Mar 10:56 pm EDT
Extended Forecast for

4 Miles W Salem CT

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Light southwest wind.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of rain after 5pm. Increasing clouds, with a high near 51. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 51 °F

    Mostly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 41. Southwest wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Northwest wind 6 to 8 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming light and variable in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Monday

    Monday: A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. Light southwest wind.
Friday
A 30 percent chance of rain after 5pm. Increasing clouds, with a high near 51. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 41. Southwest wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 57. Northwest wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming light and variable in the evening.
Sunday
A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 54.
Sunday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Monday
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 51.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Salem CT
 41.47°N 72.35°W (Elev. 397 ft)
Last Update:
6:12 pm EDT Mar 19, 2026
Forecast Valid:
11pm EDT Mar 19, 2026-6pm EDT Mar 26, 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