Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

55°F

13°C

Humidity 87%
Wind Speed NE 3 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Apr 4:56 am EDT
Extended Forecast for

3 Miles SE South Lyme CT

  • Today

    Today: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. South wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 67. South wind 5 to 9 mph.

    High: 67 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am.  Mostly cloudy, with a low around 52. South wind 5 to 7 mph becoming calm  after midnight.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 68. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers after 8am.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 67. South wind 5 to 9 mph.
Thursday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 52. South wind 5 to 7 mph becoming calm after midnight.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 56.
Sunday Night
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Monday
A 30 percent chance of snow showers. Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
5:23 am EDT Apr 15, 2026
5am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
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Additional Resources

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