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.

Fog/Mist

24°C

75°F

Humidity 94%
Wind Speed SE 13 km/h
Barometer 1019.9 mb (30.12 in)
Dewpoint 23°C (73°F)
Visibility 11 km
Last update 13 Jul 11:56 am EDT
Extended Forecast for

New London CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 26. Southeast wind around 14 km/h.

    High: 26 °C

    Partly Sunny

  • Tonight

    Tonight: Patchy drizzle and fog after 11pm. Mostly cloudy, with a low around 21. Southeast wind 5 to 10 km/h becoming calm after midnight.

    Low: 21 °C

    Patchy
    Drizzle and
    Patchy Fog

  • Monday

    Monday: Mostly cloudy, with a high near 28. South wind 5 to 13 km/h.

    High: 28 °C

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 2am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 22. Southwest wind 3 to 8 km/h.

    Low: 22 °C

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 30. Light southwest wind increasing to 6 to 11 km/h in the morning.

    High: 30 °C

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22.

    Low: 22 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    High: 31 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °C

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 30.

    High: 30 °C

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 26. Southeast wind around 14 km/h.
Tonight
Patchy drizzle and fog after 11pm. Mostly cloudy, with a low around 21. Southeast wind 5 to 10 km/h becoming calm after midnight.
Monday
Mostly cloudy, with a high near 28. South wind 5 to 13 km/h.
Monday Night
A 20 percent chance of showers and thunderstorms after 2am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 22. Southwest wind 3 to 8 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 30. Light southwest wind increasing to 6 to 11 km/h in the morning.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 30.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 31.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 m)
Last Update:
6:52 am EDT Jul 13, 2025
Forecast Valid:
12pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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