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

70°F

21°C

Humidity 100%
Wind Speed SE 8 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 70°F (21°C)
Visibility 2.00 mi
Last update 13 Jul 10:56 am EDT
Extended Forecast for

New London CT

  • Today

    Today: Partly sunny, with a high near 78. Southeast wind 7 to 9 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy drizzle and fog after 11pm. Mostly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Monday

    Monday: Mostly cloudy, with a high near 83. South wind 3 to 8 mph.

    High: 83 °F

    Mostly Cloudy

  • 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: A 20 percent chance of showers and thunderstorms. Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • 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

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 78. Southeast wind 7 to 9 mph.
Tonight
Patchy drizzle and fog after 11pm. Mostly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm in the evening.
Monday
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
A 20 percent chance of showers and thunderstorms. Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the afternoon.
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 chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
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
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
6:52 am EDT Jul 13, 2025
Forecast Valid:
11am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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Additional Resources

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Chance of Precipitation