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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

New London CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 67. East wind around 6 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. East wind 5 to 9 mph becoming southeast in the afternoon.

    High: 81 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 83. South wind 3 to 8 mph.

    High: 83 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 86.

    High: 86 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 73.

    Low: 73 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 67. East wind around 6 mph.
Sunday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. East wind 5 to 9 mph becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 83. South wind 3 to 8 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
2:15 am EDT Jul 13, 2025
Forecast Valid:
2am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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