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

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

42°F

6°C

Humidity 68%
Wind Speed NW 3 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Apr 7:56 am EDT
Extended Forecast for

2 Miles NNW New London CT

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: A 20 percent chance of showers after 10am. Increasing clouds, with a high near 52. Calm wind becoming west around 6 mph in the afternoon.

    High: 52 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29. North wind 3 to 5 mph.

    Low: 29 °F

    Partly Cloudy
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 7am. Otherwise, sunny, with a high near 51. Wind chill values between 25 and 35 early. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 51 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 2am. Areas of frost between 11pm and 1am. Otherwise, increasing clouds, with a low around 37. South wind 3 to 5 mph.

    Low: 37 °F

    Areas Frost
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 53. South wind 6 to 8 mph.

    High: 53 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 10am. Increasing clouds, with a high near 52. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29. North wind 3 to 5 mph.
Tuesday
Widespread frost before 7am. Otherwise, sunny, with a high near 51. Wind chill values between 25 and 35 early. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers after 2am. Areas of frost between 11pm and 1am. Otherwise, increasing clouds, with a low around 37. South wind 3 to 5 mph.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 53. South wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 57.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW New London CT
 41.39°N 72.1°W (Elev. 105 ft)
Last Update:
6:13 am EDT Apr 20, 2026
Forecast Valid:
8am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation