Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

32°F

0°C

Humidity 96%
Wind Speed NA
Barometer 30.14 in (1020.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 20 Mar 7:56 am EDT
Extended Forecast for

3 Miles SE South Lyme CT

  • Today

    Today: A 30 percent chance of rain after 5pm.  Mostly sunny, with a high near 47. Light and variable wind becoming south 9 to 14 mph in the morning.

    High: 47 °F

    Sunny then
    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 2am.  Low around 41. Breezy, with a southwest wind 10 to 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 51. Northwest wind around 10 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. North wind around 5 mph becoming light and variable  in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow before 11am, then a chance of rain.  Mostly cloudy, with a high near 48. South wind 6 to 11 mph.  Chance of precipitation is 30%.

    High: 48 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 8pm.  Mostly cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain before 2pm.  Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain after 5pm. Mostly sunny, with a high near 47. Light and variable wind becoming south 9 to 14 mph in the morning.
Tonight
Rain, mainly before 2am. Low around 41. Breezy, with a southwest wind 10 to 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Sunny, with a high near 51. Northwest wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 37. North wind around 5 mph becoming light and variable in the evening.
Sunday
A slight chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 48. South wind 6 to 11 mph. Chance of precipitation is 30%.
Sunday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 44.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
2:26 am EDT Mar 20, 2026
8am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
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Additional Resources

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